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Posted to notifications@skywalking.apache.org by wu...@apache.org on 2021/10/01 06:52:37 UTC

[skywalking-goapi] 25/26: Using self host generated files

This is an automated email from the ASF dual-hosted git repository.

wusheng pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/skywalking-goapi.git

commit b64ca56df16230ea4efe07656e4785c165e9ab0e
Author: Mrproliu <74...@qq.com>
AuthorDate: Fri Oct 1 00:24:37 2021 +0800

    Using self host generated files
---
 dependencies.sh                                    |    6 +-
 go.mod                                             |    8 +-
 go.sum                                             |   52 +-
 proto/envoy/annotations/deprecation.pb.go          |  155 +
 proto/envoy/api/v2/core/address.pb.go              |  801 ++++
 proto/envoy/api/v2/core/backoff.pb.go              |  187 +
 proto/envoy/api/v2/core/base.pb.go                 | 2150 ++++++++++
 proto/envoy/api/v2/core/config_source.pb.go        |  861 ++++
 proto/envoy/api/v2/core/event_service_config.pb.go |  193 +
 proto/envoy/api/v2/core/grpc_method_list.pb.go     |  237 ++
 proto/envoy/api/v2/core/grpc_service.pb.go         | 1466 +++++++
 proto/envoy/api/v2/core/http_uri.pb.go             |  231 ++
 proto/envoy/api/v2/core/socket_option.pb.go        |  310 ++
 proto/envoy/config/core/v3/address.pb.go           |  931 +++++
 proto/envoy/config/core/v3/backoff.pb.go           |  189 +
 proto/envoy/config/core/v3/base.pb.go              | 2462 ++++++++++++
 proto/envoy/config/core/v3/http_uri.pb.go          |  232 ++
 proto/envoy/config/core/v3/socket_option.pb.go     |  311 ++
 proto/envoy/data/accesslog/v2/accesslog.pb.go      | 2058 ++++++++++
 proto/envoy/data/accesslog/v3/accesslog.pb.go      | 2187 +++++++++++
 proto/envoy/service/accesslog/v2/als.pb.go         |  518 +++
 proto/envoy/service/accesslog/v2/als_grpc.pb.go    |  147 +
 proto/envoy/service/accesslog/v3/als.pb.go         |  543 +++
 proto/envoy/service/accesslog/v3/als_grpc.pb.go    |  147 +
 .../envoy/service/metrics/v2/metrics_service.pb.go |  314 ++
 .../service/metrics/v2/metrics_service_grpc.pb.go  |  139 +
 .../envoy/service/metrics/v3/metrics_service.pb.go |  328 ++
 .../service/metrics/v3/metrics_service_grpc.pb.go  |  139 +
 proto/envoy/type/percent.pb.go                     |  306 ++
 proto/envoy/type/semantic_version.pb.go            |  173 +
 proto/envoy/type/v3/percent.pb.go                  |  313 ++
 proto/envoy/type/v3/semantic_version.pb.go         |  178 +
 proto/io/prometheus/client/metrics.pb.go           | 1096 ++++++
 proto/udpa/annotations/migrate.pb.go               |  415 ++
 proto/udpa/annotations/sensitive.pb.go             |   96 +
 proto/udpa/annotations/status.pb.go                |  257 ++
 proto/udpa/annotations/versioning.pb.go            |  181 +
 proto/validate/validate.pb.go                      | 4104 ++++++++++++++++++++
 proto/xds/core/v3/context_params.pb.go             |  163 +
 satellite/data/v1/SniffData.pb.go                  |    8 +-
 scripts/envoy-import.sh                            |   70 +
 scripts/update_sniff_protocol.sh                   |   47 +-
 42 files changed, 24651 insertions(+), 58 deletions(-)

diff --git a/dependencies.sh b/dependencies.sh
index 2b7e0c7..bd6410e 100644
--- a/dependencies.sh
+++ b/dependencies.sh
@@ -19,7 +19,7 @@
 
 export COLLECT_PROTOCOL_SHA=e626ee04850703c220f64b642d2893fa65572943
 export QUERY_PROTOCOL_SHA=47202fc1eaa1864c587a78f423a0685ffbe294ad
-export ENVOY_SERVICE_PROTOCOL_SHA=51f6fad7466dfc775493570bc1ba5afc2293425f
-export UDPA_SERVICE_PROTOCOL_SHA=6414d713912e988471d192940b62bf552b11793a
-export ENVOY_PROTOC_VALIDATE_SHA=v0.6.1
+export ENVOY_SERVICE_PROTOCOL_SHA=533b32f1b390a3a88ec2008d0561e07c926d879a
+export XDS_SERVICE_PROTOCOL_SHA=25de7278fc844d392d607214f36dbedf50f167ee
+export PROTOC_VALIDATE_SHA=v0.6.1
 export PROMETHEUS_MODEL_SHA=147c58e9608a4f9628b53b6cc863325ca746f63a
\ No newline at end of file
diff --git a/go.mod b/go.mod
index 3140d9a..f4398ee 100644
--- a/go.mod
+++ b/go.mod
@@ -3,8 +3,10 @@ module skywalking.apache.org/repo/goapi
 go 1.16
 
 require (
-	github.com/envoyproxy/go-control-plane v0.9.9
-	golang.org/x/net v0.0.0-20201021035429-f5854403a974 // indirect
-	google.golang.org/grpc v1.38.0
+	github.com/google/go-cmp v0.5.6 // indirect
+	golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420 // indirect
+	golang.org/x/sys v0.0.0-20210917161153-d61c044b1678 // indirect
+	google.golang.org/genproto v0.0.0-20210624195500-8bfb893ecb84 // indirect
+	google.golang.org/grpc v1.40.0
 	google.golang.org/protobuf v1.27.1
 )
diff --git a/go.sum b/go.sum
index acbb738..998c9b8 100644
--- a/go.sum
+++ b/go.sum
@@ -1,12 +1,13 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
-github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed h1:OZmjad4L3H8ncOIR8rnb5MREYqG8ixi5+WbeUsquF0c=
 github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
@@ -14,9 +15,7 @@ github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.m
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
-github.com/envoyproxy/go-control-plane v0.9.9 h1:vQLjymTobffN2R0F8eTqw6q7iozfRO5Z0m+/4Vw+/uA=
-github.com/envoyproxy/go-control-plane v0.9.9/go.mod h1:hliV/p42l8fGbc6Y9bQ70uLwIvmJyVE5k4iMKlh8wCQ=
-github.com/envoyproxy/protoc-gen-validate v0.1.0 h1:EQciDnbrYxy13PgWoY8AqoxGiPrpgBZ1R8UNe3ddc+A=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0/go.mod h1:hliV/p42l8fGbc6Y9bQ70uLwIvmJyVE5k4iMKlh8wCQ=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
@@ -32,59 +31,81 @@ github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvq
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
-github.com/golang/protobuf v1.5.0 h1:LUVKkCeviFUMKqHa4tXIIij/lbhnMbP7Fn5wKdKkRh4=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
+github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.6 h1:BKbKCqvP6I+rmFHt06ZmyQtvB8xAkWdhFyr0ZUNZcxQ=
+github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4 h1:gQz4mCbXsO+nc9n1hCxHcGA3Zx3Eo+UHZoInFGUIXNM=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
+github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
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 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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 golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/net v0.0.0-20201021035429-f5854403a974 h1:IX6qOQeG5uLjB/hjjwjedwfjND0hgjPMMyO1RoIXQNI=
-golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
+golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420 h1:a8jGStKg0XqKDlKqjLrXn0ioF5MH36pT7Z0BRTqLhbk=
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 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f h1:+Nyd8tzPX9R7BWHguqsrbFdRx3WQ/1ib8I44HXV5yTA=
-golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210917161153-d61c044b1678 h1:J27LZFQBFoihqXoegpscI10HpjZ7B5WQLLKL2FZXQKw=
+golang.org/x/sys v0.0.0-20210917161153-d61c044b1678/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.1.3/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -93,16 +114,18 @@ google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
+google.golang.org/genproto v0.0.0-20210624195500-8bfb893ecb84 h1:R1r5J0u6Cx+RNl/6mezTw6oA14cmKC96FeUwL6A9bd4=
+google.golang.org/genproto v0.0.0-20210624195500-8bfb893ecb84/go.mod h1:SzzZ/N+nwJDaO1kznhnlzqS8ocJICar6hYhVyhi++24=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
 google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.38.0 h1:/9BgsAsa5nWe26HqOlvlgJnqBuktYOLCgjCPqsa56W0=
 google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.40.0 h1:AGJ0Ih4mHjSeibYkFGh1dD9KJ/eOtZ93I6hoHhukQ5Q=
+google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -113,6 +136,7 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
diff --git a/proto/envoy/annotations/deprecation.pb.go b/proto/envoy/annotations/deprecation.pb.go
new file mode 100644
index 0000000..68f7795
--- /dev/null
+++ b/proto/envoy/annotations/deprecation.pb.go
@@ -0,0 +1,155 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.14.0
+// source: envoy/annotations/deprecation.proto
+
+package annotations
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	descriptorpb "google.golang.org/protobuf/types/descriptorpb"
+	reflect "reflect"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+var file_envoy_annotations_deprecation_proto_extTypes = []protoimpl.ExtensionInfo{
+	{
+		ExtendedType:  (*descriptorpb.FieldOptions)(nil),
+		ExtensionType: (*bool)(nil),
+		Field:         189503207,
+		Name:          "envoy.annotations.disallowed_by_default",
+		Tag:           "varint,189503207,opt,name=disallowed_by_default",
+		Filename:      "envoy/annotations/deprecation.proto",
+	},
+	{
+		ExtendedType:  (*descriptorpb.FieldOptions)(nil),
+		ExtensionType: (*string)(nil),
+		Field:         157299826,
+		Name:          "envoy.annotations.deprecated_at_minor_version",
+		Tag:           "bytes,157299826,opt,name=deprecated_at_minor_version",
+		Filename:      "envoy/annotations/deprecation.proto",
+	},
+	{
+		ExtendedType:  (*descriptorpb.EnumValueOptions)(nil),
+		ExtensionType: (*bool)(nil),
+		Field:         70100853,
+		Name:          "envoy.annotations.disallowed_by_default_enum",
+		Tag:           "varint,70100853,opt,name=disallowed_by_default_enum",
+		Filename:      "envoy/annotations/deprecation.proto",
+	},
+	{
+		ExtendedType:  (*descriptorpb.EnumValueOptions)(nil),
+		ExtensionType: (*string)(nil),
+		Field:         181198657,
+		Name:          "envoy.annotations.deprecated_at_minor_version_enum",
+		Tag:           "bytes,181198657,opt,name=deprecated_at_minor_version_enum",
+		Filename:      "envoy/annotations/deprecation.proto",
+	},
+}
+
+// Extension fields to descriptorpb.FieldOptions.
+var (
+	// optional bool disallowed_by_default = 189503207;
+	E_DisallowedByDefault = &file_envoy_annotations_deprecation_proto_extTypes[0]
+	// The API major and minor version on which the field was deprecated
+	// (e.g., "3.5" for major version 3 and minor version 5).
+	//
+	// optional string deprecated_at_minor_version = 157299826;
+	E_DeprecatedAtMinorVersion = &file_envoy_annotations_deprecation_proto_extTypes[1]
+)
+
+// Extension fields to descriptorpb.EnumValueOptions.
+var (
+	// optional bool disallowed_by_default_enum = 70100853;
+	E_DisallowedByDefaultEnum = &file_envoy_annotations_deprecation_proto_extTypes[2]
+	// The API major and minor version on which the enum value was deprecated
+	// (e.g., "3.5" for major version 3 and minor version 5).
+	//
+	// optional string deprecated_at_minor_version_enum = 181198657;
+	E_DeprecatedAtMinorVersionEnum = &file_envoy_annotations_deprecation_proto_extTypes[3]
+)
+
+var File_envoy_annotations_deprecation_proto protoreflect.FileDescriptor
+
+var file_envoy_annotations_deprecation_proto_rawDesc = []byte{
+	0x0a, 0x23, 0x65, 0x6e, 0x76, 0x6f, 0x79, 0x2f, 0x61, 0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69,
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+	0xe8, 0x80, 0x4b, 0x20, 0x01, 0x28, 0x09, 0x52, 0x18, 0x64, 0x65, 0x70, 0x72, 0x65, 0x63, 0x61,
+	0x74, 0x65, 0x64, 0x41, 0x74, 0x4d, 0x69, 0x6e, 0x6f, 0x72, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f,
+	0x6e, 0x3a, 0x61, 0x0a, 0x1a, 0x64, 0x69, 0x73, 0x61, 0x6c, 0x6c, 0x6f, 0x77, 0x65, 0x64, 0x5f,
+	0x62, 0x79, 0x5f, 0x64, 0x65, 0x66, 0x61, 0x75, 0x6c, 0x74, 0x5f, 0x65, 0x6e, 0x75, 0x6d, 0x12,
+	0x21, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
+	0x66, 0x2e, 0x45, 0x6e, 0x75, 0x6d, 0x56, 0x61, 0x6c, 0x75, 0x65, 0x4f, 0x70, 0x74, 0x69, 0x6f,
+	0x6e, 0x73, 0x18, 0xf5, 0xce, 0xb6, 0x21, 0x20, 0x01, 0x28, 0x08, 0x52, 0x17, 0x64, 0x69, 0x73,
+	0x61, 0x6c, 0x6c, 0x6f, 0x77, 0x65, 0x64, 0x42, 0x79, 0x44, 0x65, 0x66, 0x61, 0x75, 0x6c, 0x74,
+	0x45, 0x6e, 0x75, 0x6d, 0x3a, 0x6c, 0x0a, 0x20, 0x64, 0x65, 0x70, 0x72, 0x65, 0x63, 0x61, 0x74,
+	0x65, 0x64, 0x5f, 0x61, 0x74, 0x5f, 0x6d, 0x69, 0x6e, 0x6f, 0x72, 0x5f, 0x76, 0x65, 0x72, 0x73,
+	0x69, 0x6f, 0x6e, 0x5f, 0x65, 0x6e, 0x75, 0x6d, 0x12, 0x21, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c,
+	0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x45, 0x6e, 0x75, 0x6d, 0x56,
+	0x61, 0x6c, 0x75, 0x65, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0xc1, 0xbe, 0xb3, 0x56,
+	0x20, 0x01, 0x28, 0x09, 0x52, 0x1c, 0x64, 0x65, 0x70, 0x72, 0x65, 0x63, 0x61, 0x74, 0x65, 0x64,
+	0x41, 0x74, 0x4d, 0x69, 0x6e, 0x6f, 0x72, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x45, 0x6e,
+	0x75, 0x6d, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var file_envoy_annotations_deprecation_proto_goTypes = []interface{}{
+	(*descriptorpb.FieldOptions)(nil),     // 0: google.protobuf.FieldOptions
+	(*descriptorpb.EnumValueOptions)(nil), // 1: google.protobuf.EnumValueOptions
+}
+var file_envoy_annotations_deprecation_proto_depIdxs = []int32{
+	0, // 0: envoy.annotations.disallowed_by_default:extendee -> google.protobuf.FieldOptions
+	0, // 1: envoy.annotations.deprecated_at_minor_version:extendee -> google.protobuf.FieldOptions
+	1, // 2: envoy.annotations.disallowed_by_default_enum:extendee -> google.protobuf.EnumValueOptions
+	1, // 3: envoy.annotations.deprecated_at_minor_version_enum:extendee -> google.protobuf.EnumValueOptions
+	4, // [4:4] is the sub-list for method output_type
+	4, // [4:4] is the sub-list for method input_type
+	4, // [4:4] is the sub-list for extension type_name
+	0, // [0:4] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_envoy_annotations_deprecation_proto_init() }
+func file_envoy_annotations_deprecation_proto_init() {
+	if File_envoy_annotations_deprecation_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_envoy_annotations_deprecation_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   0,
+			NumExtensions: 4,
+			NumServices:   0,
+		},
+		GoTypes:           file_envoy_annotations_deprecation_proto_goTypes,
+		DependencyIndexes: file_envoy_annotations_deprecation_proto_depIdxs,
+		ExtensionInfos:    file_envoy_annotations_deprecation_proto_extTypes,
+	}.Build()
+	File_envoy_annotations_deprecation_proto = out.File
+	file_envoy_annotations_deprecation_proto_rawDesc = nil
+	file_envoy_annotations_deprecation_proto_goTypes = nil
+	file_envoy_annotations_deprecation_proto_depIdxs = nil
+}
diff --git a/proto/envoy/api/v2/core/address.pb.go b/proto/envoy/api/v2/core/address.pb.go
new file mode 100644
index 0000000..6f76270
--- /dev/null
+++ b/proto/envoy/api/v2/core/address.pb.go
@@ -0,0 +1,801 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.14.0
+// source: envoy/api/v2/core/address.proto
+
+package core
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	wrapperspb "google.golang.org/protobuf/types/known/wrapperspb"
+	reflect "reflect"
+	_ "skywalking.apache.org/repo/goapi/proto/udpa/annotations"
+	_ "skywalking.apache.org/repo/goapi/proto/validate"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type SocketAddress_Protocol int32
+
+const (
+	SocketAddress_TCP SocketAddress_Protocol = 0
+	SocketAddress_UDP SocketAddress_Protocol = 1
+)
+
+// Enum value maps for SocketAddress_Protocol.
+var (
+	SocketAddress_Protocol_name = map[int32]string{
+		0: "TCP",
+		1: "UDP",
+	}
+	SocketAddress_Protocol_value = map[string]int32{
+		"TCP": 0,
+		"UDP": 1,
+	}
+)
+
+func (x SocketAddress_Protocol) Enum() *SocketAddress_Protocol {
+	p := new(SocketAddress_Protocol)
+	*p = x
+	return p
+}
+
+func (x SocketAddress_Protocol) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (SocketAddress_Protocol) Descriptor() protoreflect.EnumDescriptor {
+	return file_envoy_api_v2_core_address_proto_enumTypes[0].Descriptor()
+}
+
+func (SocketAddress_Protocol) Type() protoreflect.EnumType {
+	return &file_envoy_api_v2_core_address_proto_enumTypes[0]
+}
+
+func (x SocketAddress_Protocol) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use SocketAddress_Protocol.Descriptor instead.
+func (SocketAddress_Protocol) EnumDescriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_address_proto_rawDescGZIP(), []int{1, 0}
+}
+
+type Pipe struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Unix Domain Socket path. On Linux, paths starting with '@' will use the
+	// abstract namespace. The starting '@' is replaced by a null byte by Envoy.
+	// Paths starting with '@' will result in an error in environments other than
+	// Linux.
+	Path string `protobuf:"bytes,1,opt,name=path,proto3" json:"path,omitempty"`
+	// The mode for the Pipe. Not applicable for abstract sockets.
+	Mode uint32 `protobuf:"varint,2,opt,name=mode,proto3" json:"mode,omitempty"`
+}
+
+func (x *Pipe) Reset() {
+	*x = Pipe{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_address_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Pipe) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Pipe) ProtoMessage() {}
+
+func (x *Pipe) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_address_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Pipe.ProtoReflect.Descriptor instead.
+func (*Pipe) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_address_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Pipe) GetPath() string {
+	if x != nil {
+		return x.Path
+	}
+	return ""
+}
+
+func (x *Pipe) GetMode() uint32 {
+	if x != nil {
+		return x.Mode
+	}
+	return 0
+}
+
+// [#next-free-field: 7]
+type SocketAddress struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Protocol SocketAddress_Protocol `protobuf:"varint,1,opt,name=protocol,proto3,enum=envoy.api.v2.core.SocketAddress_Protocol" json:"protocol,omitempty"`
+	// The address for this socket. :ref:`Listeners <config_listeners>` will bind
+	// to the address. An empty address is not allowed. Specify ``0.0.0.0`` or ``::``
+	// to bind to any address. [#comment:TODO(zuercher) reinstate when implemented:
+	// It is possible to distinguish a Listener address via the prefix/suffix matching
+	// in :ref:`FilterChainMatch <envoy_api_msg_listener.FilterChainMatch>`.] When used
+	// within an upstream :ref:`BindConfig <envoy_api_msg_core.BindConfig>`, the address
+	// controls the source address of outbound connections. For :ref:`clusters
+	// <envoy_api_msg_Cluster>`, the cluster type determines whether the
+	// address must be an IP (*STATIC* or *EDS* clusters) or a hostname resolved by DNS
+	// (*STRICT_DNS* or *LOGICAL_DNS* clusters). Address resolution can be customized
+	// via :ref:`resolver_name <envoy_api_field_core.SocketAddress.resolver_name>`.
+	Address string `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"`
+	// Types that are assignable to PortSpecifier:
+	//	*SocketAddress_PortValue
+	//	*SocketAddress_NamedPort
+	PortSpecifier isSocketAddress_PortSpecifier `protobuf_oneof:"port_specifier"`
+	// The name of the custom resolver. This must have been registered with Envoy. If
+	// this is empty, a context dependent default applies. If the address is a concrete
+	// IP address, no resolution will occur. If address is a hostname this
+	// should be set for resolution other than DNS. Specifying a custom resolver with
+	// *STRICT_DNS* or *LOGICAL_DNS* will generate an error at runtime.
+	ResolverName string `protobuf:"bytes,5,opt,name=resolver_name,json=resolverName,proto3" json:"resolver_name,omitempty"`
+	// When binding to an IPv6 address above, this enables `IPv4 compatibility
+	// <https://tools.ietf.org/html/rfc3493#page-11>`_. Binding to ``::`` will
+	// allow both IPv4 and IPv6 connections, with peer IPv4 addresses mapped into
+	// IPv6 space as ``::FFFF:<IPv4-address>``.
+	Ipv4Compat bool `protobuf:"varint,6,opt,name=ipv4_compat,json=ipv4Compat,proto3" json:"ipv4_compat,omitempty"`
+}
+
+func (x *SocketAddress) Reset() {
+	*x = SocketAddress{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_address_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SocketAddress) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SocketAddress) ProtoMessage() {}
+
+func (x *SocketAddress) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_address_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SocketAddress.ProtoReflect.Descriptor instead.
+func (*SocketAddress) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_address_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *SocketAddress) GetProtocol() SocketAddress_Protocol {
+	if x != nil {
+		return x.Protocol
+	}
+	return SocketAddress_TCP
+}
+
+func (x *SocketAddress) GetAddress() string {
+	if x != nil {
+		return x.Address
+	}
+	return ""
+}
+
+func (m *SocketAddress) GetPortSpecifier() isSocketAddress_PortSpecifier {
+	if m != nil {
+		return m.PortSpecifier
+	}
+	return nil
+}
+
+func (x *SocketAddress) GetPortValue() uint32 {
+	if x, ok := x.GetPortSpecifier().(*SocketAddress_PortValue); ok {
+		return x.PortValue
+	}
+	return 0
+}
+
+func (x *SocketAddress) GetNamedPort() string {
+	if x, ok := x.GetPortSpecifier().(*SocketAddress_NamedPort); ok {
+		return x.NamedPort
+	}
+	return ""
+}
+
+func (x *SocketAddress) GetResolverName() string {
+	if x != nil {
+		return x.ResolverName
+	}
+	return ""
+}
+
+func (x *SocketAddress) GetIpv4Compat() bool {
+	if x != nil {
+		return x.Ipv4Compat
+	}
+	return false
+}
+
+type isSocketAddress_PortSpecifier interface {
+	isSocketAddress_PortSpecifier()
+}
+
+type SocketAddress_PortValue struct {
+	PortValue uint32 `protobuf:"varint,3,opt,name=port_value,json=portValue,proto3,oneof"`
+}
+
+type SocketAddress_NamedPort struct {
+	// This is only valid if :ref:`resolver_name
+	// <envoy_api_field_core.SocketAddress.resolver_name>` is specified below and the
+	// named resolver is capable of named port resolution.
+	NamedPort string `protobuf:"bytes,4,opt,name=named_port,json=namedPort,proto3,oneof"`
+}
+
+func (*SocketAddress_PortValue) isSocketAddress_PortSpecifier() {}
+
+func (*SocketAddress_NamedPort) isSocketAddress_PortSpecifier() {}
+
+type TcpKeepalive struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Maximum number of keepalive probes to send without response before deciding
+	// the connection is dead. Default is to use the OS level configuration (unless
+	// overridden, Linux defaults to 9.)
+	KeepaliveProbes *wrapperspb.UInt32Value `protobuf:"bytes,1,opt,name=keepalive_probes,json=keepaliveProbes,proto3" json:"keepalive_probes,omitempty"`
+	// The number of seconds a connection needs to be idle before keep-alive probes
+	// start being sent. Default is to use the OS level configuration (unless
+	// overridden, Linux defaults to 7200s (i.e., 2 hours.)
+	KeepaliveTime *wrapperspb.UInt32Value `protobuf:"bytes,2,opt,name=keepalive_time,json=keepaliveTime,proto3" json:"keepalive_time,omitempty"`
+	// The number of seconds between keep-alive probes. Default is to use the OS
+	// level configuration (unless overridden, Linux defaults to 75s.)
+	KeepaliveInterval *wrapperspb.UInt32Value `protobuf:"bytes,3,opt,name=keepalive_interval,json=keepaliveInterval,proto3" json:"keepalive_interval,omitempty"`
+}
+
+func (x *TcpKeepalive) Reset() {
+	*x = TcpKeepalive{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_address_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TcpKeepalive) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TcpKeepalive) ProtoMessage() {}
+
+func (x *TcpKeepalive) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_address_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TcpKeepalive.ProtoReflect.Descriptor instead.
+func (*TcpKeepalive) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_address_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *TcpKeepalive) GetKeepaliveProbes() *wrapperspb.UInt32Value {
+	if x != nil {
+		return x.KeepaliveProbes
+	}
+	return nil
+}
+
+func (x *TcpKeepalive) GetKeepaliveTime() *wrapperspb.UInt32Value {
+	if x != nil {
+		return x.KeepaliveTime
+	}
+	return nil
+}
+
+func (x *TcpKeepalive) GetKeepaliveInterval() *wrapperspb.UInt32Value {
+	if x != nil {
+		return x.KeepaliveInterval
+	}
+	return nil
+}
+
+type BindConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The address to bind to when creating a socket.
+	SourceAddress *SocketAddress `protobuf:"bytes,1,opt,name=source_address,json=sourceAddress,proto3" json:"source_address,omitempty"`
+	// Whether to set the *IP_FREEBIND* option when creating the socket. When this
+	// flag is set to true, allows the :ref:`source_address
+	// <envoy_api_field_UpstreamBindConfig.source_address>` to be an IP address
+	// that is not configured on the system running Envoy. When this flag is set
+	// to false, the option *IP_FREEBIND* is disabled on the socket. When this
+	// flag is not set (default), the socket is not modified, i.e. the option is
+	// neither enabled nor disabled.
+	Freebind *wrapperspb.BoolValue `protobuf:"bytes,2,opt,name=freebind,proto3" json:"freebind,omitempty"`
+	// Additional socket options that may not be present in Envoy source code or
+	// precompiled binaries.
+	SocketOptions []*SocketOption `protobuf:"bytes,3,rep,name=socket_options,json=socketOptions,proto3" json:"socket_options,omitempty"`
+}
+
+func (x *BindConfig) Reset() {
+	*x = BindConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_address_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BindConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BindConfig) ProtoMessage() {}
+
+func (x *BindConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_address_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BindConfig.ProtoReflect.Descriptor instead.
+func (*BindConfig) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_address_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *BindConfig) GetSourceAddress() *SocketAddress {
+	if x != nil {
+		return x.SourceAddress
+	}
+	return nil
+}
+
+func (x *BindConfig) GetFreebind() *wrapperspb.BoolValue {
+	if x != nil {
+		return x.Freebind
+	}
+	return nil
+}
+
+func (x *BindConfig) GetSocketOptions() []*SocketOption {
+	if x != nil {
+		return x.SocketOptions
+	}
+	return nil
+}
+
+// Addresses specify either a logical or physical address and port, which are
+// used to tell Envoy where to bind/listen, connect to upstream and find
+// management servers.
+type Address struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to Address:
+	//	*Address_SocketAddress
+	//	*Address_Pipe
+	Address isAddress_Address `protobuf_oneof:"address"`
+}
+
+func (x *Address) Reset() {
+	*x = Address{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_address_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Address) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Address) ProtoMessage() {}
+
+func (x *Address) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_address_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Address.ProtoReflect.Descriptor instead.
+func (*Address) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_address_proto_rawDescGZIP(), []int{4}
+}
+
+func (m *Address) GetAddress() isAddress_Address {
+	if m != nil {
+		return m.Address
+	}
+	return nil
+}
+
+func (x *Address) GetSocketAddress() *SocketAddress {
+	if x, ok := x.GetAddress().(*Address_SocketAddress); ok {
+		return x.SocketAddress
+	}
+	return nil
+}
+
+func (x *Address) GetPipe() *Pipe {
+	if x, ok := x.GetAddress().(*Address_Pipe); ok {
+		return x.Pipe
+	}
+	return nil
+}
+
+type isAddress_Address interface {
+	isAddress_Address()
+}
+
+type Address_SocketAddress struct {
+	SocketAddress *SocketAddress `protobuf:"bytes,1,opt,name=socket_address,json=socketAddress,proto3,oneof"`
+}
+
+type Address_Pipe struct {
+	Pipe *Pipe `protobuf:"bytes,2,opt,name=pipe,proto3,oneof"`
+}
+
+func (*Address_SocketAddress) isAddress_Address() {}
+
+func (*Address_Pipe) isAddress_Address() {}
+
+// CidrRange specifies an IP Address and a prefix length to construct
+// the subnet mask for a `CIDR <https://tools.ietf.org/html/rfc4632>`_ range.
+type CidrRange struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// IPv4 or IPv6 address, e.g. ``192.0.0.0`` or ``2001:db8::``.
+	AddressPrefix string `protobuf:"bytes,1,opt,name=address_prefix,json=addressPrefix,proto3" json:"address_prefix,omitempty"`
+	// Length of prefix, e.g. 0, 32. Defaults to 0 when unset.
+	PrefixLen *wrapperspb.UInt32Value `protobuf:"bytes,2,opt,name=prefix_len,json=prefixLen,proto3" json:"prefix_len,omitempty"`
+}
+
+func (x *CidrRange) Reset() {
+	*x = CidrRange{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_address_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CidrRange) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CidrRange) ProtoMessage() {}
+
+func (x *CidrRange) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_address_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CidrRange.ProtoReflect.Descriptor instead.
+func (*CidrRange) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_address_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *CidrRange) GetAddressPrefix() string {
+	if x != nil {
+		return x.AddressPrefix
+	}
+	return ""
+}
+
+func (x *CidrRange) GetPrefixLen() *wrapperspb.UInt32Value {
+	if x != nil {
+		return x.PrefixLen
+	}
+	return nil
+}
+
+var File_envoy_api_v2_core_address_proto protoreflect.FileDescriptor
+
+var file_envoy_api_v2_core_address_proto_rawDesc = []byte{
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+}
+
+var (
+	file_envoy_api_v2_core_address_proto_rawDescOnce sync.Once
+	file_envoy_api_v2_core_address_proto_rawDescData = file_envoy_api_v2_core_address_proto_rawDesc
+)
+
+func file_envoy_api_v2_core_address_proto_rawDescGZIP() []byte {
+	file_envoy_api_v2_core_address_proto_rawDescOnce.Do(func() {
+		file_envoy_api_v2_core_address_proto_rawDescData = protoimpl.X.CompressGZIP(file_envoy_api_v2_core_address_proto_rawDescData)
+	})
+	return file_envoy_api_v2_core_address_proto_rawDescData
+}
+
+var file_envoy_api_v2_core_address_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_envoy_api_v2_core_address_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
+var file_envoy_api_v2_core_address_proto_goTypes = []interface{}{
+	(SocketAddress_Protocol)(0),    // 0: envoy.api.v2.core.SocketAddress.Protocol
+	(*Pipe)(nil),                   // 1: envoy.api.v2.core.Pipe
+	(*SocketAddress)(nil),          // 2: envoy.api.v2.core.SocketAddress
+	(*TcpKeepalive)(nil),           // 3: envoy.api.v2.core.TcpKeepalive
+	(*BindConfig)(nil),             // 4: envoy.api.v2.core.BindConfig
+	(*Address)(nil),                // 5: envoy.api.v2.core.Address
+	(*CidrRange)(nil),              // 6: envoy.api.v2.core.CidrRange
+	(*wrapperspb.UInt32Value)(nil), // 7: google.protobuf.UInt32Value
+	(*wrapperspb.BoolValue)(nil),   // 8: google.protobuf.BoolValue
+	(*SocketOption)(nil),           // 9: envoy.api.v2.core.SocketOption
+}
+var file_envoy_api_v2_core_address_proto_depIdxs = []int32{
+	0,  // 0: envoy.api.v2.core.SocketAddress.protocol:type_name -> envoy.api.v2.core.SocketAddress.Protocol
+	7,  // 1: envoy.api.v2.core.TcpKeepalive.keepalive_probes:type_name -> google.protobuf.UInt32Value
+	7,  // 2: envoy.api.v2.core.TcpKeepalive.keepalive_time:type_name -> google.protobuf.UInt32Value
+	7,  // 3: envoy.api.v2.core.TcpKeepalive.keepalive_interval:type_name -> google.protobuf.UInt32Value
+	2,  // 4: envoy.api.v2.core.BindConfig.source_address:type_name -> envoy.api.v2.core.SocketAddress
+	8,  // 5: envoy.api.v2.core.BindConfig.freebind:type_name -> google.protobuf.BoolValue
+	9,  // 6: envoy.api.v2.core.BindConfig.socket_options:type_name -> envoy.api.v2.core.SocketOption
+	2,  // 7: envoy.api.v2.core.Address.socket_address:type_name -> envoy.api.v2.core.SocketAddress
+	1,  // 8: envoy.api.v2.core.Address.pipe:type_name -> envoy.api.v2.core.Pipe
+	7,  // 9: envoy.api.v2.core.CidrRange.prefix_len:type_name -> google.protobuf.UInt32Value
+	10, // [10:10] is the sub-list for method output_type
+	10, // [10:10] is the sub-list for method input_type
+	10, // [10:10] is the sub-list for extension type_name
+	10, // [10:10] is the sub-list for extension extendee
+	0,  // [0:10] is the sub-list for field type_name
+}
+
+func init() { file_envoy_api_v2_core_address_proto_init() }
+func file_envoy_api_v2_core_address_proto_init() {
+	if File_envoy_api_v2_core_address_proto != nil {
+		return
+	}
+	file_envoy_api_v2_core_socket_option_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_envoy_api_v2_core_address_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Pipe); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_address_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SocketAddress); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_address_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*TcpKeepalive); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_address_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BindConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_address_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Address); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_address_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CidrRange); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_envoy_api_v2_core_address_proto_msgTypes[1].OneofWrappers = []interface{}{
+		(*SocketAddress_PortValue)(nil),
+		(*SocketAddress_NamedPort)(nil),
+	}
+	file_envoy_api_v2_core_address_proto_msgTypes[4].OneofWrappers = []interface{}{
+		(*Address_SocketAddress)(nil),
+		(*Address_Pipe)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_envoy_api_v2_core_address_proto_rawDesc,
+			NumEnums:      1,
+			NumMessages:   6,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_envoy_api_v2_core_address_proto_goTypes,
+		DependencyIndexes: file_envoy_api_v2_core_address_proto_depIdxs,
+		EnumInfos:         file_envoy_api_v2_core_address_proto_enumTypes,
+		MessageInfos:      file_envoy_api_v2_core_address_proto_msgTypes,
+	}.Build()
+	File_envoy_api_v2_core_address_proto = out.File
+	file_envoy_api_v2_core_address_proto_rawDesc = nil
+	file_envoy_api_v2_core_address_proto_goTypes = nil
+	file_envoy_api_v2_core_address_proto_depIdxs = nil
+}
diff --git a/proto/envoy/api/v2/core/backoff.pb.go b/proto/envoy/api/v2/core/backoff.pb.go
new file mode 100644
index 0000000..83f0bd3
--- /dev/null
+++ b/proto/envoy/api/v2/core/backoff.pb.go
@@ -0,0 +1,187 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.14.0
+// source: envoy/api/v2/core/backoff.proto
+
+package core
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	durationpb "google.golang.org/protobuf/types/known/durationpb"
+	reflect "reflect"
+	_ "skywalking.apache.org/repo/goapi/proto/udpa/annotations"
+	_ "skywalking.apache.org/repo/goapi/proto/validate"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Configuration defining a jittered exponential back off strategy.
+type BackoffStrategy struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The base interval to be used for the next back off computation. It should
+	// be greater than zero and less than or equal to :ref:`max_interval
+	// <envoy_api_field_core.BackoffStrategy.max_interval>`.
+	BaseInterval *durationpb.Duration `protobuf:"bytes,1,opt,name=base_interval,json=baseInterval,proto3" json:"base_interval,omitempty"`
+	// Specifies the maximum interval between retries. This parameter is optional,
+	// but must be greater than or equal to the :ref:`base_interval
+	// <envoy_api_field_core.BackoffStrategy.base_interval>` if set. The default
+	// is 10 times the :ref:`base_interval
+	// <envoy_api_field_core.BackoffStrategy.base_interval>`.
+	MaxInterval *durationpb.Duration `protobuf:"bytes,2,opt,name=max_interval,json=maxInterval,proto3" json:"max_interval,omitempty"`
+}
+
+func (x *BackoffStrategy) Reset() {
+	*x = BackoffStrategy{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_backoff_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BackoffStrategy) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BackoffStrategy) ProtoMessage() {}
+
+func (x *BackoffStrategy) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_backoff_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BackoffStrategy.ProtoReflect.Descriptor instead.
+func (*BackoffStrategy) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_backoff_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *BackoffStrategy) GetBaseInterval() *durationpb.Duration {
+	if x != nil {
+		return x.BaseInterval
+	}
+	return nil
+}
+
+func (x *BackoffStrategy) GetMaxInterval() *durationpb.Duration {
+	if x != nil {
+		return x.MaxInterval
+	}
+	return nil
+}
+
+var File_envoy_api_v2_core_backoff_proto protoreflect.FileDescriptor
+
+var file_envoy_api_v2_core_backoff_proto_rawDesc = []byte{
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+	0x16, 0x12, 0x14, 0x65, 0x6e, 0x76, 0x6f, 0x79, 0x2e, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e,
+	0x63, 0x6f, 0x72, 0x65, 0x2e, 0x76, 0x33, 0xba, 0x80, 0xc8, 0xd1, 0x06, 0x02, 0x10, 0x01, 0x62,
+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_envoy_api_v2_core_backoff_proto_rawDescOnce sync.Once
+	file_envoy_api_v2_core_backoff_proto_rawDescData = file_envoy_api_v2_core_backoff_proto_rawDesc
+)
+
+func file_envoy_api_v2_core_backoff_proto_rawDescGZIP() []byte {
+	file_envoy_api_v2_core_backoff_proto_rawDescOnce.Do(func() {
+		file_envoy_api_v2_core_backoff_proto_rawDescData = protoimpl.X.CompressGZIP(file_envoy_api_v2_core_backoff_proto_rawDescData)
+	})
+	return file_envoy_api_v2_core_backoff_proto_rawDescData
+}
+
+var file_envoy_api_v2_core_backoff_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_envoy_api_v2_core_backoff_proto_goTypes = []interface{}{
+	(*BackoffStrategy)(nil),     // 0: envoy.api.v2.core.BackoffStrategy
+	(*durationpb.Duration)(nil), // 1: google.protobuf.Duration
+}
+var file_envoy_api_v2_core_backoff_proto_depIdxs = []int32{
+	1, // 0: envoy.api.v2.core.BackoffStrategy.base_interval:type_name -> google.protobuf.Duration
+	1, // 1: envoy.api.v2.core.BackoffStrategy.max_interval:type_name -> google.protobuf.Duration
+	2, // [2:2] is the sub-list for method output_type
+	2, // [2:2] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
+}
+
+func init() { file_envoy_api_v2_core_backoff_proto_init() }
+func file_envoy_api_v2_core_backoff_proto_init() {
+	if File_envoy_api_v2_core_backoff_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_envoy_api_v2_core_backoff_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BackoffStrategy); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_envoy_api_v2_core_backoff_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_envoy_api_v2_core_backoff_proto_goTypes,
+		DependencyIndexes: file_envoy_api_v2_core_backoff_proto_depIdxs,
+		MessageInfos:      file_envoy_api_v2_core_backoff_proto_msgTypes,
+	}.Build()
+	File_envoy_api_v2_core_backoff_proto = out.File
+	file_envoy_api_v2_core_backoff_proto_rawDesc = nil
+	file_envoy_api_v2_core_backoff_proto_goTypes = nil
+	file_envoy_api_v2_core_backoff_proto_depIdxs = nil
+}
diff --git a/proto/envoy/api/v2/core/base.pb.go b/proto/envoy/api/v2/core/base.pb.go
new file mode 100644
index 0000000..b28a078
--- /dev/null
+++ b/proto/envoy/api/v2/core/base.pb.go
@@ -0,0 +1,2150 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.14.0
+// source: envoy/api/v2/core/base.proto
+
+package core
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	anypb "google.golang.org/protobuf/types/known/anypb"
+	structpb "google.golang.org/protobuf/types/known/structpb"
+	wrapperspb "google.golang.org/protobuf/types/known/wrapperspb"
+	reflect "reflect"
+	_type "skywalking.apache.org/repo/goapi/proto/envoy/type"
+	_ "skywalking.apache.org/repo/goapi/proto/udpa/annotations"
+	_ "skywalking.apache.org/repo/goapi/proto/validate"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Envoy supports :ref:`upstream priority routing
+// <arch_overview_http_routing_priority>` both at the route and the virtual
+// cluster level. The current priority implementation uses different connection
+// pool and circuit breaking settings for each priority level. This means that
+// even for HTTP/2 requests, two physical connections will be used to an
+// upstream host. In the future Envoy will likely support true HTTP/2 priority
+// over a single upstream connection.
+type RoutingPriority int32
+
+const (
+	RoutingPriority_DEFAULT RoutingPriority = 0
+	RoutingPriority_HIGH    RoutingPriority = 1
+)
+
+// Enum value maps for RoutingPriority.
+var (
+	RoutingPriority_name = map[int32]string{
+		0: "DEFAULT",
+		1: "HIGH",
+	}
+	RoutingPriority_value = map[string]int32{
+		"DEFAULT": 0,
+		"HIGH":    1,
+	}
+)
+
+func (x RoutingPriority) Enum() *RoutingPriority {
+	p := new(RoutingPriority)
+	*p = x
+	return p
+}
+
+func (x RoutingPriority) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (RoutingPriority) Descriptor() protoreflect.EnumDescriptor {
+	return file_envoy_api_v2_core_base_proto_enumTypes[0].Descriptor()
+}
+
+func (RoutingPriority) Type() protoreflect.EnumType {
+	return &file_envoy_api_v2_core_base_proto_enumTypes[0]
+}
+
+func (x RoutingPriority) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use RoutingPriority.Descriptor instead.
+func (RoutingPriority) EnumDescriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{0}
+}
+
+// HTTP request method.
+type RequestMethod int32
+
+const (
+	RequestMethod_METHOD_UNSPECIFIED RequestMethod = 0
+	RequestMethod_GET                RequestMethod = 1
+	RequestMethod_HEAD               RequestMethod = 2
+	RequestMethod_POST               RequestMethod = 3
+	RequestMethod_PUT                RequestMethod = 4
+	RequestMethod_DELETE             RequestMethod = 5
+	RequestMethod_CONNECT            RequestMethod = 6
+	RequestMethod_OPTIONS            RequestMethod = 7
+	RequestMethod_TRACE              RequestMethod = 8
+	RequestMethod_PATCH              RequestMethod = 9
+)
+
+// Enum value maps for RequestMethod.
+var (
+	RequestMethod_name = map[int32]string{
+		0: "METHOD_UNSPECIFIED",
+		1: "GET",
+		2: "HEAD",
+		3: "POST",
+		4: "PUT",
+		5: "DELETE",
+		6: "CONNECT",
+		7: "OPTIONS",
+		8: "TRACE",
+		9: "PATCH",
+	}
+	RequestMethod_value = map[string]int32{
+		"METHOD_UNSPECIFIED": 0,
+		"GET":                1,
+		"HEAD":               2,
+		"POST":               3,
+		"PUT":                4,
+		"DELETE":             5,
+		"CONNECT":            6,
+		"OPTIONS":            7,
+		"TRACE":              8,
+		"PATCH":              9,
+	}
+)
+
+func (x RequestMethod) Enum() *RequestMethod {
+	p := new(RequestMethod)
+	*p = x
+	return p
+}
+
+func (x RequestMethod) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (RequestMethod) Descriptor() protoreflect.EnumDescriptor {
+	return file_envoy_api_v2_core_base_proto_enumTypes[1].Descriptor()
+}
+
+func (RequestMethod) Type() protoreflect.EnumType {
+	return &file_envoy_api_v2_core_base_proto_enumTypes[1]
+}
+
+func (x RequestMethod) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use RequestMethod.Descriptor instead.
+func (RequestMethod) EnumDescriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{1}
+}
+
+// Identifies the direction of the traffic relative to the local Envoy.
+type TrafficDirection int32
+
+const (
+	// Default option is unspecified.
+	TrafficDirection_UNSPECIFIED TrafficDirection = 0
+	// The transport is used for incoming traffic.
+	TrafficDirection_INBOUND TrafficDirection = 1
+	// The transport is used for outgoing traffic.
+	TrafficDirection_OUTBOUND TrafficDirection = 2
+)
+
+// Enum value maps for TrafficDirection.
+var (
+	TrafficDirection_name = map[int32]string{
+		0: "UNSPECIFIED",
+		1: "INBOUND",
+		2: "OUTBOUND",
+	}
+	TrafficDirection_value = map[string]int32{
+		"UNSPECIFIED": 0,
+		"INBOUND":     1,
+		"OUTBOUND":    2,
+	}
+)
+
+func (x TrafficDirection) Enum() *TrafficDirection {
+	p := new(TrafficDirection)
+	*p = x
+	return p
+}
+
+func (x TrafficDirection) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (TrafficDirection) Descriptor() protoreflect.EnumDescriptor {
+	return file_envoy_api_v2_core_base_proto_enumTypes[2].Descriptor()
+}
+
+func (TrafficDirection) Type() protoreflect.EnumType {
+	return &file_envoy_api_v2_core_base_proto_enumTypes[2]
+}
+
+func (x TrafficDirection) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use TrafficDirection.Descriptor instead.
+func (TrafficDirection) EnumDescriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{2}
+}
+
+// Identifies location of where either Envoy runs or where upstream hosts run.
+type Locality struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Region this :ref:`zone <envoy_api_field_core.Locality.zone>` belongs to.
+	Region string `protobuf:"bytes,1,opt,name=region,proto3" json:"region,omitempty"`
+	// Defines the local service zone where Envoy is running. Though optional, it
+	// should be set if discovery service routing is used and the discovery
+	// service exposes :ref:`zone data <envoy_api_field_endpoint.LocalityLbEndpoints.locality>`,
+	// either in this message or via :option:`--service-zone`. The meaning of zone
+	// is context dependent, e.g. `Availability Zone (AZ)
+	// <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html>`_
+	// on AWS, `Zone <https://cloud.google.com/compute/docs/regions-zones/>`_ on
+	// GCP, etc.
+	Zone string `protobuf:"bytes,2,opt,name=zone,proto3" json:"zone,omitempty"`
+	// When used for locality of upstream hosts, this field further splits zone
+	// into smaller chunks of sub-zones so they can be load balanced
+	// independently.
+	SubZone string `protobuf:"bytes,3,opt,name=sub_zone,json=subZone,proto3" json:"sub_zone,omitempty"`
+}
+
+func (x *Locality) Reset() {
+	*x = Locality{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Locality) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Locality) ProtoMessage() {}
+
+func (x *Locality) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Locality.ProtoReflect.Descriptor instead.
+func (*Locality) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Locality) GetRegion() string {
+	if x != nil {
+		return x.Region
+	}
+	return ""
+}
+
+func (x *Locality) GetZone() string {
+	if x != nil {
+		return x.Zone
+	}
+	return ""
+}
+
+func (x *Locality) GetSubZone() string {
+	if x != nil {
+		return x.SubZone
+	}
+	return ""
+}
+
+// BuildVersion combines SemVer version of extension with free-form build information
+// (i.e. 'alpha', 'private-build') as a set of strings.
+type BuildVersion struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// SemVer version of extension.
+	Version *_type.SemanticVersion `protobuf:"bytes,1,opt,name=version,proto3" json:"version,omitempty"`
+	// Free-form build information.
+	// Envoy defines several well known keys in the source/common/version/version.h file
+	Metadata *structpb.Struct `protobuf:"bytes,2,opt,name=metadata,proto3" json:"metadata,omitempty"`
+}
+
+func (x *BuildVersion) Reset() {
+	*x = BuildVersion{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BuildVersion) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BuildVersion) ProtoMessage() {}
+
+func (x *BuildVersion) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BuildVersion.ProtoReflect.Descriptor instead.
+func (*BuildVersion) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *BuildVersion) GetVersion() *_type.SemanticVersion {
+	if x != nil {
+		return x.Version
+	}
+	return nil
+}
+
+func (x *BuildVersion) GetMetadata() *structpb.Struct {
+	if x != nil {
+		return x.Metadata
+	}
+	return nil
+}
+
+// Version and identification for an Envoy extension.
+// [#next-free-field: 6]
+type Extension struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// This is the name of the Envoy filter as specified in the Envoy
+	// configuration, e.g. envoy.filters.http.router, com.acme.widget.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// Category of the extension.
+	// Extension category names use reverse DNS notation. For instance "envoy.filters.listener"
+	// for Envoy's built-in listener filters or "com.acme.filters.http" for HTTP filters from
+	// acme.com vendor.
+	// [#comment:TODO(yanavlasov): Link to the doc with existing envoy category names.]
+	Category string `protobuf:"bytes,2,opt,name=category,proto3" json:"category,omitempty"`
+	// [#not-implemented-hide:] Type descriptor of extension configuration proto.
+	// [#comment:TODO(yanavlasov): Link to the doc with existing configuration protos.]
+	// [#comment:TODO(yanavlasov): Add tests when PR #9391 lands.]
+	TypeDescriptor string `protobuf:"bytes,3,opt,name=type_descriptor,json=typeDescriptor,proto3" json:"type_descriptor,omitempty"`
+	// The version is a property of the extension and maintained independently
+	// of other extensions and the Envoy API.
+	// This field is not set when extension did not provide version information.
+	Version *BuildVersion `protobuf:"bytes,4,opt,name=version,proto3" json:"version,omitempty"`
+	// Indicates that the extension is present but was disabled via dynamic configuration.
+	Disabled bool `protobuf:"varint,5,opt,name=disabled,proto3" json:"disabled,omitempty"`
+}
+
+func (x *Extension) Reset() {
+	*x = Extension{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Extension) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Extension) ProtoMessage() {}
+
+func (x *Extension) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Extension.ProtoReflect.Descriptor instead.
+func (*Extension) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *Extension) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *Extension) GetCategory() string {
+	if x != nil {
+		return x.Category
+	}
+	return ""
+}
+
+func (x *Extension) GetTypeDescriptor() string {
+	if x != nil {
+		return x.TypeDescriptor
+	}
+	return ""
+}
+
+func (x *Extension) GetVersion() *BuildVersion {
+	if x != nil {
+		return x.Version
+	}
+	return nil
+}
+
+func (x *Extension) GetDisabled() bool {
+	if x != nil {
+		return x.Disabled
+	}
+	return false
+}
+
+// Identifies a specific Envoy instance. The node identifier is presented to the
+// management server, which may use this identifier to distinguish per Envoy
+// configuration for serving.
+// [#next-free-field: 12]
+type Node struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// An opaque node identifier for the Envoy node. This also provides the local
+	// service node name. It should be set if any of the following features are
+	// used: :ref:`statsd <arch_overview_statistics>`, :ref:`CDS
+	// <config_cluster_manager_cds>`, and :ref:`HTTP tracing
+	// <arch_overview_tracing>`, either in this message or via
+	// :option:`--service-node`.
+	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	// Defines the local service cluster name where Envoy is running. Though
+	// optional, it should be set if any of the following features are used:
+	// :ref:`statsd <arch_overview_statistics>`, :ref:`health check cluster
+	// verification
+	// <envoy_api_field_core.HealthCheck.HttpHealthCheck.service_name_matcher>`,
+	// :ref:`runtime override directory <envoy_api_msg_config.bootstrap.v2.Runtime>`,
+	// :ref:`user agent addition
+	// <envoy_api_field_config.filter.network.http_connection_manager.v2.HttpConnectionManager.add_user_agent>`,
+	// :ref:`HTTP global rate limiting <config_http_filters_rate_limit>`,
+	// :ref:`CDS <config_cluster_manager_cds>`, and :ref:`HTTP tracing
+	// <arch_overview_tracing>`, either in this message or via
+	// :option:`--service-cluster`.
+	Cluster string `protobuf:"bytes,2,opt,name=cluster,proto3" json:"cluster,omitempty"`
+	// Opaque metadata extending the node identifier. Envoy will pass this
+	// directly to the management server.
+	Metadata *structpb.Struct `protobuf:"bytes,3,opt,name=metadata,proto3" json:"metadata,omitempty"`
+	// Locality specifying where the Envoy instance is running.
+	Locality *Locality `protobuf:"bytes,4,opt,name=locality,proto3" json:"locality,omitempty"`
+	// This is motivated by informing a management server during canary which
+	// version of Envoy is being tested in a heterogeneous fleet. This will be set
+	// by Envoy in management server RPCs.
+	// This field is deprecated in favor of the user_agent_name and user_agent_version values.
+	//
+	// Deprecated: Do not use.
+	BuildVersion string `protobuf:"bytes,5,opt,name=build_version,json=buildVersion,proto3" json:"build_version,omitempty"`
+	// Free-form string that identifies the entity requesting config.
+	// E.g. "envoy" or "grpc"
+	UserAgentName string `protobuf:"bytes,6,opt,name=user_agent_name,json=userAgentName,proto3" json:"user_agent_name,omitempty"`
+	// Types that are assignable to UserAgentVersionType:
+	//	*Node_UserAgentVersion
+	//	*Node_UserAgentBuildVersion
+	UserAgentVersionType isNode_UserAgentVersionType `protobuf_oneof:"user_agent_version_type"`
+	// List of extensions and their versions supported by the node.
+	Extensions []*Extension `protobuf:"bytes,9,rep,name=extensions,proto3" json:"extensions,omitempty"`
+	// Client feature support list. These are well known features described
+	// in the Envoy API repository for a given major version of an API. Client features
+	// use reverse DNS naming scheme, for example `com.acme.feature`.
+	// See :ref:`the list of features <client_features>` that xDS client may
+	// support.
+	ClientFeatures []string `protobuf:"bytes,10,rep,name=client_features,json=clientFeatures,proto3" json:"client_features,omitempty"`
+	// Known listening ports on the node as a generic hint to the management server
+	// for filtering :ref:`listeners <config_listeners>` to be returned. For example,
+	// if there is a listener bound to port 80, the list can optionally contain the
+	// SocketAddress `(0.0.0.0,80)`. The field is optional and just a hint.
+	ListeningAddresses []*Address `protobuf:"bytes,11,rep,name=listening_addresses,json=listeningAddresses,proto3" json:"listening_addresses,omitempty"`
+}
+
+func (x *Node) Reset() {
+	*x = Node{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Node) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Node) ProtoMessage() {}
+
+func (x *Node) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Node.ProtoReflect.Descriptor instead.
+func (*Node) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *Node) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+func (x *Node) GetCluster() string {
+	if x != nil {
+		return x.Cluster
+	}
+	return ""
+}
+
+func (x *Node) GetMetadata() *structpb.Struct {
+	if x != nil {
+		return x.Metadata
+	}
+	return nil
+}
+
+func (x *Node) GetLocality() *Locality {
+	if x != nil {
+		return x.Locality
+	}
+	return nil
+}
+
+// Deprecated: Do not use.
+func (x *Node) GetBuildVersion() string {
+	if x != nil {
+		return x.BuildVersion
+	}
+	return ""
+}
+
+func (x *Node) GetUserAgentName() string {
+	if x != nil {
+		return x.UserAgentName
+	}
+	return ""
+}
+
+func (m *Node) GetUserAgentVersionType() isNode_UserAgentVersionType {
+	if m != nil {
+		return m.UserAgentVersionType
+	}
+	return nil
+}
+
+func (x *Node) GetUserAgentVersion() string {
+	if x, ok := x.GetUserAgentVersionType().(*Node_UserAgentVersion); ok {
+		return x.UserAgentVersion
+	}
+	return ""
+}
+
+func (x *Node) GetUserAgentBuildVersion() *BuildVersion {
+	if x, ok := x.GetUserAgentVersionType().(*Node_UserAgentBuildVersion); ok {
+		return x.UserAgentBuildVersion
+	}
+	return nil
+}
+
+func (x *Node) GetExtensions() []*Extension {
+	if x != nil {
+		return x.Extensions
+	}
+	return nil
+}
+
+func (x *Node) GetClientFeatures() []string {
+	if x != nil {
+		return x.ClientFeatures
+	}
+	return nil
+}
+
+func (x *Node) GetListeningAddresses() []*Address {
+	if x != nil {
+		return x.ListeningAddresses
+	}
+	return nil
+}
+
+type isNode_UserAgentVersionType interface {
+	isNode_UserAgentVersionType()
+}
+
+type Node_UserAgentVersion struct {
+	// Free-form string that identifies the version of the entity requesting config.
+	// E.g. "1.12.2" or "abcd1234", or "SpecialEnvoyBuild"
+	UserAgentVersion string `protobuf:"bytes,7,opt,name=user_agent_version,json=userAgentVersion,proto3,oneof"`
+}
+
+type Node_UserAgentBuildVersion struct {
+	// Structured version of the entity requesting config.
+	UserAgentBuildVersion *BuildVersion `protobuf:"bytes,8,opt,name=user_agent_build_version,json=userAgentBuildVersion,proto3,oneof"`
+}
+
+func (*Node_UserAgentVersion) isNode_UserAgentVersionType() {}
+
+func (*Node_UserAgentBuildVersion) isNode_UserAgentVersionType() {}
+
+// Metadata provides additional inputs to filters based on matched listeners,
+// filter chains, routes and endpoints. It is structured as a map, usually from
+// filter name (in reverse DNS format) to metadata specific to the filter. Metadata
+// key-values for a filter are merged as connection and request handling occurs,
+// with later values for the same key overriding earlier values.
+//
+// An example use of metadata is providing additional values to
+// http_connection_manager in the envoy.http_connection_manager.access_log
+// namespace.
+//
+// Another example use of metadata is to per service config info in cluster metadata, which may get
+// consumed by multiple filters.
+//
+// For load balancing, Metadata provides a means to subset cluster endpoints.
+// Endpoints have a Metadata object associated and routes contain a Metadata
+// object to match against. There are some well defined metadata used today for
+// this purpose:
+//
+// * ``{"envoy.lb": {"canary": <bool> }}`` This indicates the canary status of an
+//   endpoint and is also used during header processing
+//   (x-envoy-upstream-canary) and for stats purposes.
+// [#next-major-version: move to type/metadata/v2]
+type Metadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Key is the reverse DNS filter name, e.g. com.acme.widget. The envoy.*
+	// namespace is reserved for Envoy's built-in filters.
+	FilterMetadata map[string]*structpb.Struct `protobuf:"bytes,1,rep,name=filter_metadata,json=filterMetadata,proto3" json:"filter_metadata,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+}
+
+func (x *Metadata) Reset() {
+	*x = Metadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Metadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Metadata) ProtoMessage() {}
+
+func (x *Metadata) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Metadata.ProtoReflect.Descriptor instead.
+func (*Metadata) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *Metadata) GetFilterMetadata() map[string]*structpb.Struct {
+	if x != nil {
+		return x.FilterMetadata
+	}
+	return nil
+}
+
+// Runtime derived uint32 with a default when not specified.
+type RuntimeUInt32 struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Default value if runtime value is not available.
+	DefaultValue uint32 `protobuf:"varint,2,opt,name=default_value,json=defaultValue,proto3" json:"default_value,omitempty"`
+	// Runtime key to get value for comparison. This value is used if defined.
+	RuntimeKey string `protobuf:"bytes,3,opt,name=runtime_key,json=runtimeKey,proto3" json:"runtime_key,omitempty"`
+}
+
+func (x *RuntimeUInt32) Reset() {
+	*x = RuntimeUInt32{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RuntimeUInt32) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RuntimeUInt32) ProtoMessage() {}
+
+func (x *RuntimeUInt32) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RuntimeUInt32.ProtoReflect.Descriptor instead.
+func (*RuntimeUInt32) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *RuntimeUInt32) GetDefaultValue() uint32 {
+	if x != nil {
+		return x.DefaultValue
+	}
+	return 0
+}
+
+func (x *RuntimeUInt32) GetRuntimeKey() string {
+	if x != nil {
+		return x.RuntimeKey
+	}
+	return ""
+}
+
+// Runtime derived double with a default when not specified.
+type RuntimeDouble struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Default value if runtime value is not available.
+	DefaultValue float64 `protobuf:"fixed64,1,opt,name=default_value,json=defaultValue,proto3" json:"default_value,omitempty"`
+	// Runtime key to get value for comparison. This value is used if defined.
+	RuntimeKey string `protobuf:"bytes,2,opt,name=runtime_key,json=runtimeKey,proto3" json:"runtime_key,omitempty"`
+}
+
+func (x *RuntimeDouble) Reset() {
+	*x = RuntimeDouble{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RuntimeDouble) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RuntimeDouble) ProtoMessage() {}
+
+func (x *RuntimeDouble) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RuntimeDouble.ProtoReflect.Descriptor instead.
+func (*RuntimeDouble) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *RuntimeDouble) GetDefaultValue() float64 {
+	if x != nil {
+		return x.DefaultValue
+	}
+	return 0
+}
+
+func (x *RuntimeDouble) GetRuntimeKey() string {
+	if x != nil {
+		return x.RuntimeKey
+	}
+	return ""
+}
+
+// Runtime derived bool with a default when not specified.
+type RuntimeFeatureFlag struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Default value if runtime value is not available.
+	DefaultValue *wrapperspb.BoolValue `protobuf:"bytes,1,opt,name=default_value,json=defaultValue,proto3" json:"default_value,omitempty"`
+	// Runtime key to get value for comparison. This value is used if defined. The boolean value must
+	// be represented via its
+	// `canonical JSON encoding <https://developers.google.com/protocol-buffers/docs/proto3#json>`_.
+	RuntimeKey string `protobuf:"bytes,2,opt,name=runtime_key,json=runtimeKey,proto3" json:"runtime_key,omitempty"`
+}
+
+func (x *RuntimeFeatureFlag) Reset() {
+	*x = RuntimeFeatureFlag{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RuntimeFeatureFlag) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RuntimeFeatureFlag) ProtoMessage() {}
+
+func (x *RuntimeFeatureFlag) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RuntimeFeatureFlag.ProtoReflect.Descriptor instead.
+func (*RuntimeFeatureFlag) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *RuntimeFeatureFlag) GetDefaultValue() *wrapperspb.BoolValue {
+	if x != nil {
+		return x.DefaultValue
+	}
+	return nil
+}
+
+func (x *RuntimeFeatureFlag) GetRuntimeKey() string {
+	if x != nil {
+		return x.RuntimeKey
+	}
+	return ""
+}
+
+// Header name/value pair.
+type HeaderValue struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Header name.
+	Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	// Header value.
+	//
+	// The same :ref:`format specifier <config_access_log_format>` as used for
+	// :ref:`HTTP access logging <config_access_log>` applies here, however
+	// unknown header values are replaced with the empty string instead of `-`.
+	Value string `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
+}
+
+func (x *HeaderValue) Reset() {
+	*x = HeaderValue{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HeaderValue) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HeaderValue) ProtoMessage() {}
+
+func (x *HeaderValue) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HeaderValue.ProtoReflect.Descriptor instead.
+func (*HeaderValue) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *HeaderValue) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *HeaderValue) GetValue() string {
+	if x != nil {
+		return x.Value
+	}
+	return ""
+}
+
+// Header name/value pair plus option to control append behavior.
+type HeaderValueOption struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Header name/value pair that this option applies to.
+	Header *HeaderValue `protobuf:"bytes,1,opt,name=header,proto3" json:"header,omitempty"`
+	// Should the value be appended? If true (default), the value is appended to
+	// existing values.
+	Append *wrapperspb.BoolValue `protobuf:"bytes,2,opt,name=append,proto3" json:"append,omitempty"`
+}
+
+func (x *HeaderValueOption) Reset() {
+	*x = HeaderValueOption{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HeaderValueOption) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HeaderValueOption) ProtoMessage() {}
+
+func (x *HeaderValueOption) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[9]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HeaderValueOption.ProtoReflect.Descriptor instead.
+func (*HeaderValueOption) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{9}
+}
+
+func (x *HeaderValueOption) GetHeader() *HeaderValue {
+	if x != nil {
+		return x.Header
+	}
+	return nil
+}
+
+func (x *HeaderValueOption) GetAppend() *wrapperspb.BoolValue {
+	if x != nil {
+		return x.Append
+	}
+	return nil
+}
+
+// Wrapper for a set of headers.
+type HeaderMap struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Headers []*HeaderValue `protobuf:"bytes,1,rep,name=headers,proto3" json:"headers,omitempty"`
+}
+
+func (x *HeaderMap) Reset() {
+	*x = HeaderMap{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HeaderMap) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HeaderMap) ProtoMessage() {}
+
+func (x *HeaderMap) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[10]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HeaderMap.ProtoReflect.Descriptor instead.
+func (*HeaderMap) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *HeaderMap) GetHeaders() []*HeaderValue {
+	if x != nil {
+		return x.Headers
+	}
+	return nil
+}
+
+// Data source consisting of either a file or an inline value.
+type DataSource struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to Specifier:
+	//	*DataSource_Filename
+	//	*DataSource_InlineBytes
+	//	*DataSource_InlineString
+	Specifier isDataSource_Specifier `protobuf_oneof:"specifier"`
+}
+
+func (x *DataSource) Reset() {
+	*x = DataSource{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DataSource) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DataSource) ProtoMessage() {}
+
+func (x *DataSource) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[11]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DataSource.ProtoReflect.Descriptor instead.
+func (*DataSource) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{11}
+}
+
+func (m *DataSource) GetSpecifier() isDataSource_Specifier {
+	if m != nil {
+		return m.Specifier
+	}
+	return nil
+}
+
+func (x *DataSource) GetFilename() string {
+	if x, ok := x.GetSpecifier().(*DataSource_Filename); ok {
+		return x.Filename
+	}
+	return ""
+}
+
+func (x *DataSource) GetInlineBytes() []byte {
+	if x, ok := x.GetSpecifier().(*DataSource_InlineBytes); ok {
+		return x.InlineBytes
+	}
+	return nil
+}
+
+func (x *DataSource) GetInlineString() string {
+	if x, ok := x.GetSpecifier().(*DataSource_InlineString); ok {
+		return x.InlineString
+	}
+	return ""
+}
+
+type isDataSource_Specifier interface {
+	isDataSource_Specifier()
+}
+
+type DataSource_Filename struct {
+	// Local filesystem data source.
+	Filename string `protobuf:"bytes,1,opt,name=filename,proto3,oneof"`
+}
+
+type DataSource_InlineBytes struct {
+	// Bytes inlined in the configuration.
+	InlineBytes []byte `protobuf:"bytes,2,opt,name=inline_bytes,json=inlineBytes,proto3,oneof"`
+}
+
+type DataSource_InlineString struct {
+	// String inlined in the configuration.
+	InlineString string `protobuf:"bytes,3,opt,name=inline_string,json=inlineString,proto3,oneof"`
+}
+
+func (*DataSource_Filename) isDataSource_Specifier() {}
+
+func (*DataSource_InlineBytes) isDataSource_Specifier() {}
+
+func (*DataSource_InlineString) isDataSource_Specifier() {}
+
+// The message specifies the retry policy of remote data source when fetching fails.
+type RetryPolicy struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Specifies parameters that control :ref:`retry backoff strategy <envoy_api_msg_core.BackoffStrategy>`.
+	// This parameter is optional, in which case the default base interval is 1000 milliseconds. The
+	// default maximum interval is 10 times the base interval.
+	RetryBackOff *BackoffStrategy `protobuf:"bytes,1,opt,name=retry_back_off,json=retryBackOff,proto3" json:"retry_back_off,omitempty"`
+	// Specifies the allowed number of retries. This parameter is optional and
+	// defaults to 1.
+	NumRetries *wrapperspb.UInt32Value `protobuf:"bytes,2,opt,name=num_retries,json=numRetries,proto3" json:"num_retries,omitempty"`
+}
+
+func (x *RetryPolicy) Reset() {
+	*x = RetryPolicy{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RetryPolicy) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RetryPolicy) ProtoMessage() {}
+
+func (x *RetryPolicy) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[12]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RetryPolicy.ProtoReflect.Descriptor instead.
+func (*RetryPolicy) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{12}
+}
+
+func (x *RetryPolicy) GetRetryBackOff() *BackoffStrategy {
+	if x != nil {
+		return x.RetryBackOff
+	}
+	return nil
+}
+
+func (x *RetryPolicy) GetNumRetries() *wrapperspb.UInt32Value {
+	if x != nil {
+		return x.NumRetries
+	}
+	return nil
+}
+
+// The message specifies how to fetch data from remote and how to verify it.
+type RemoteDataSource struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The HTTP URI to fetch the remote data.
+	HttpUri *HttpUri `protobuf:"bytes,1,opt,name=http_uri,json=httpUri,proto3" json:"http_uri,omitempty"`
+	// SHA256 string for verifying data.
+	Sha256 string `protobuf:"bytes,2,opt,name=sha256,proto3" json:"sha256,omitempty"`
+	// Retry policy for fetching remote data.
+	RetryPolicy *RetryPolicy `protobuf:"bytes,3,opt,name=retry_policy,json=retryPolicy,proto3" json:"retry_policy,omitempty"`
+}
+
+func (x *RemoteDataSource) Reset() {
+	*x = RemoteDataSource{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[13]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RemoteDataSource) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RemoteDataSource) ProtoMessage() {}
+
+func (x *RemoteDataSource) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[13]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RemoteDataSource.ProtoReflect.Descriptor instead.
+func (*RemoteDataSource) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{13}
+}
+
+func (x *RemoteDataSource) GetHttpUri() *HttpUri {
+	if x != nil {
+		return x.HttpUri
+	}
+	return nil
+}
+
+func (x *RemoteDataSource) GetSha256() string {
+	if x != nil {
+		return x.Sha256
+	}
+	return ""
+}
+
+func (x *RemoteDataSource) GetRetryPolicy() *RetryPolicy {
+	if x != nil {
+		return x.RetryPolicy
+	}
+	return nil
+}
+
+// Async data source which support async data fetch.
+type AsyncDataSource struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to Specifier:
+	//	*AsyncDataSource_Local
+	//	*AsyncDataSource_Remote
+	Specifier isAsyncDataSource_Specifier `protobuf_oneof:"specifier"`
+}
+
+func (x *AsyncDataSource) Reset() {
+	*x = AsyncDataSource{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[14]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AsyncDataSource) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AsyncDataSource) ProtoMessage() {}
+
+func (x *AsyncDataSource) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[14]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AsyncDataSource.ProtoReflect.Descriptor instead.
+func (*AsyncDataSource) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{14}
+}
+
+func (m *AsyncDataSource) GetSpecifier() isAsyncDataSource_Specifier {
+	if m != nil {
+		return m.Specifier
+	}
+	return nil
+}
+
+func (x *AsyncDataSource) GetLocal() *DataSource {
+	if x, ok := x.GetSpecifier().(*AsyncDataSource_Local); ok {
+		return x.Local
+	}
+	return nil
+}
+
+func (x *AsyncDataSource) GetRemote() *RemoteDataSource {
+	if x, ok := x.GetSpecifier().(*AsyncDataSource_Remote); ok {
+		return x.Remote
+	}
+	return nil
+}
+
+type isAsyncDataSource_Specifier interface {
+	isAsyncDataSource_Specifier()
+}
+
+type AsyncDataSource_Local struct {
+	// Local async data source.
+	Local *DataSource `protobuf:"bytes,1,opt,name=local,proto3,oneof"`
+}
+
+type AsyncDataSource_Remote struct {
+	// Remote async data source.
+	Remote *RemoteDataSource `protobuf:"bytes,2,opt,name=remote,proto3,oneof"`
+}
+
+func (*AsyncDataSource_Local) isAsyncDataSource_Specifier() {}
+
+func (*AsyncDataSource_Remote) isAsyncDataSource_Specifier() {}
+
+// Configuration for transport socket in :ref:`listeners <config_listeners>` and
+// :ref:`clusters <envoy_api_msg_Cluster>`. If the configuration is
+// empty, a default transport socket implementation and configuration will be
+// chosen based on the platform and existence of tls_context.
+type TransportSocket struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The name of the transport socket to instantiate. The name must match a supported transport
+	// socket implementation.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// Implementation specific configuration which depends on the implementation being instantiated.
+	// See the supported transport socket implementations for further documentation.
+	//
+	// Types that are assignable to ConfigType:
+	//	*TransportSocket_Config
+	//	*TransportSocket_TypedConfig
+	ConfigType isTransportSocket_ConfigType `protobuf_oneof:"config_type"`
+}
+
+func (x *TransportSocket) Reset() {
+	*x = TransportSocket{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[15]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TransportSocket) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TransportSocket) ProtoMessage() {}
+
+func (x *TransportSocket) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[15]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TransportSocket.ProtoReflect.Descriptor instead.
+func (*TransportSocket) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{15}
+}
+
+func (x *TransportSocket) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (m *TransportSocket) GetConfigType() isTransportSocket_ConfigType {
+	if m != nil {
+		return m.ConfigType
+	}
+	return nil
+}
+
+// Deprecated: Do not use.
+func (x *TransportSocket) GetConfig() *structpb.Struct {
+	if x, ok := x.GetConfigType().(*TransportSocket_Config); ok {
+		return x.Config
+	}
+	return nil
+}
+
+func (x *TransportSocket) GetTypedConfig() *anypb.Any {
+	if x, ok := x.GetConfigType().(*TransportSocket_TypedConfig); ok {
+		return x.TypedConfig
+	}
+	return nil
+}
+
+type isTransportSocket_ConfigType interface {
+	isTransportSocket_ConfigType()
+}
+
+type TransportSocket_Config struct {
+	// Deprecated: Do not use.
+	Config *structpb.Struct `protobuf:"bytes,2,opt,name=config,proto3,oneof"`
+}
+
+type TransportSocket_TypedConfig struct {
+	TypedConfig *anypb.Any `protobuf:"bytes,3,opt,name=typed_config,json=typedConfig,proto3,oneof"`
+}
+
+func (*TransportSocket_Config) isTransportSocket_ConfigType() {}
+
+func (*TransportSocket_TypedConfig) isTransportSocket_ConfigType() {}
+
+// Runtime derived FractionalPercent with defaults for when the numerator or denominator is not
+// specified via a runtime key.
+//
+// .. note::
+//
+//   Parsing of the runtime key's data is implemented such that it may be represented as a
+//   :ref:`FractionalPercent <envoy_api_msg_type.FractionalPercent>` proto represented as JSON/YAML
+//   and may also be represented as an integer with the assumption that the value is an integral
+//   percentage out of 100. For instance, a runtime key lookup returning the value "42" would parse
+//   as a `FractionalPercent` whose numerator is 42 and denominator is HUNDRED.
+type RuntimeFractionalPercent struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Default value if the runtime value's for the numerator/denominator keys are not available.
+	DefaultValue *_type.FractionalPercent `protobuf:"bytes,1,opt,name=default_value,json=defaultValue,proto3" json:"default_value,omitempty"`
+	// Runtime key for a YAML representation of a FractionalPercent.
+	RuntimeKey string `protobuf:"bytes,2,opt,name=runtime_key,json=runtimeKey,proto3" json:"runtime_key,omitempty"`
+}
+
+func (x *RuntimeFractionalPercent) Reset() {
+	*x = RuntimeFractionalPercent{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[16]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RuntimeFractionalPercent) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RuntimeFractionalPercent) ProtoMessage() {}
+
+func (x *RuntimeFractionalPercent) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[16]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RuntimeFractionalPercent.ProtoReflect.Descriptor instead.
+func (*RuntimeFractionalPercent) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{16}
+}
+
+func (x *RuntimeFractionalPercent) GetDefaultValue() *_type.FractionalPercent {
+	if x != nil {
+		return x.DefaultValue
+	}
+	return nil
+}
+
+func (x *RuntimeFractionalPercent) GetRuntimeKey() string {
+	if x != nil {
+		return x.RuntimeKey
+	}
+	return ""
+}
+
+// Identifies a specific ControlPlane instance that Envoy is connected to.
+type ControlPlane struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// An opaque control plane identifier that uniquely identifies an instance
+	// of control plane. This can be used to identify which control plane instance,
+	// the Envoy is connected to.
+	Identifier string `protobuf:"bytes,1,opt,name=identifier,proto3" json:"identifier,omitempty"`
+}
+
+func (x *ControlPlane) Reset() {
+	*x = ControlPlane{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_base_proto_msgTypes[17]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ControlPlane) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ControlPlane) ProtoMessage() {}
+
+func (x *ControlPlane) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_base_proto_msgTypes[17]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ControlPlane.ProtoReflect.Descriptor instead.
+func (*ControlPlane) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_base_proto_rawDescGZIP(), []int{17}
+}
+
+func (x *ControlPlane) GetIdentifier() string {
+	if x != nil {
+		return x.Identifier
+	}
+	return ""
+}
+
+var File_envoy_api_v2_core_base_proto protoreflect.FileDescriptor
+
+var file_envoy_api_v2_core_base_proto_rawDesc = []byte{
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+}
+
+var (
+	file_envoy_api_v2_core_base_proto_rawDescOnce sync.Once
+	file_envoy_api_v2_core_base_proto_rawDescData = file_envoy_api_v2_core_base_proto_rawDesc
+)
+
+func file_envoy_api_v2_core_base_proto_rawDescGZIP() []byte {
+	file_envoy_api_v2_core_base_proto_rawDescOnce.Do(func() {
+		file_envoy_api_v2_core_base_proto_rawDescData = protoimpl.X.CompressGZIP(file_envoy_api_v2_core_base_proto_rawDescData)
+	})
+	return file_envoy_api_v2_core_base_proto_rawDescData
+}
+
+var file_envoy_api_v2_core_base_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
+var file_envoy_api_v2_core_base_proto_msgTypes = make([]protoimpl.MessageInfo, 19)
+var file_envoy_api_v2_core_base_proto_goTypes = []interface{}{
+	(RoutingPriority)(0),             // 0: envoy.api.v2.core.RoutingPriority
+	(RequestMethod)(0),               // 1: envoy.api.v2.core.RequestMethod
+	(TrafficDirection)(0),            // 2: envoy.api.v2.core.TrafficDirection
+	(*Locality)(nil),                 // 3: envoy.api.v2.core.Locality
+	(*BuildVersion)(nil),             // 4: envoy.api.v2.core.BuildVersion
+	(*Extension)(nil),                // 5: envoy.api.v2.core.Extension
+	(*Node)(nil),                     // 6: envoy.api.v2.core.Node
+	(*Metadata)(nil),                 // 7: envoy.api.v2.core.Metadata
+	(*RuntimeUInt32)(nil),            // 8: envoy.api.v2.core.RuntimeUInt32
+	(*RuntimeDouble)(nil),            // 9: envoy.api.v2.core.RuntimeDouble
+	(*RuntimeFeatureFlag)(nil),       // 10: envoy.api.v2.core.RuntimeFeatureFlag
+	(*HeaderValue)(nil),              // 11: envoy.api.v2.core.HeaderValue
+	(*HeaderValueOption)(nil),        // 12: envoy.api.v2.core.HeaderValueOption
+	(*HeaderMap)(nil),                // 13: envoy.api.v2.core.HeaderMap
+	(*DataSource)(nil),               // 14: envoy.api.v2.core.DataSource
+	(*RetryPolicy)(nil),              // 15: envoy.api.v2.core.RetryPolicy
+	(*RemoteDataSource)(nil),         // 16: envoy.api.v2.core.RemoteDataSource
+	(*AsyncDataSource)(nil),          // 17: envoy.api.v2.core.AsyncDataSource
+	(*TransportSocket)(nil),          // 18: envoy.api.v2.core.TransportSocket
+	(*RuntimeFractionalPercent)(nil), // 19: envoy.api.v2.core.RuntimeFractionalPercent
+	(*ControlPlane)(nil),             // 20: envoy.api.v2.core.ControlPlane
+	nil,                              // 21: envoy.api.v2.core.Metadata.FilterMetadataEntry
+	(*_type.SemanticVersion)(nil),    // 22: envoy.type.SemanticVersion
+	(*structpb.Struct)(nil),          // 23: google.protobuf.Struct
+	(*Address)(nil),                  // 24: envoy.api.v2.core.Address
+	(*wrapperspb.BoolValue)(nil),     // 25: google.protobuf.BoolValue
+	(*BackoffStrategy)(nil),          // 26: envoy.api.v2.core.BackoffStrategy
+	(*wrapperspb.UInt32Value)(nil),   // 27: google.protobuf.UInt32Value
+	(*HttpUri)(nil),                  // 28: envoy.api.v2.core.HttpUri
+	(*anypb.Any)(nil),                // 29: google.protobuf.Any
+	(*_type.FractionalPercent)(nil),  // 30: envoy.type.FractionalPercent
+}
+var file_envoy_api_v2_core_base_proto_depIdxs = []int32{
+	22, // 0: envoy.api.v2.core.BuildVersion.version:type_name -> envoy.type.SemanticVersion
+	23, // 1: envoy.api.v2.core.BuildVersion.metadata:type_name -> google.protobuf.Struct
+	4,  // 2: envoy.api.v2.core.Extension.version:type_name -> envoy.api.v2.core.BuildVersion
+	23, // 3: envoy.api.v2.core.Node.metadata:type_name -> google.protobuf.Struct
+	3,  // 4: envoy.api.v2.core.Node.locality:type_name -> envoy.api.v2.core.Locality
+	4,  // 5: envoy.api.v2.core.Node.user_agent_build_version:type_name -> envoy.api.v2.core.BuildVersion
+	5,  // 6: envoy.api.v2.core.Node.extensions:type_name -> envoy.api.v2.core.Extension
+	24, // 7: envoy.api.v2.core.Node.listening_addresses:type_name -> envoy.api.v2.core.Address
+	21, // 8: envoy.api.v2.core.Metadata.filter_metadata:type_name -> envoy.api.v2.core.Metadata.FilterMetadataEntry
+	25, // 9: envoy.api.v2.core.RuntimeFeatureFlag.default_value:type_name -> google.protobuf.BoolValue
+	11, // 10: envoy.api.v2.core.HeaderValueOption.header:type_name -> envoy.api.v2.core.HeaderValue
+	25, // 11: envoy.api.v2.core.HeaderValueOption.append:type_name -> google.protobuf.BoolValue
+	11, // 12: envoy.api.v2.core.HeaderMap.headers:type_name -> envoy.api.v2.core.HeaderValue
+	26, // 13: envoy.api.v2.core.RetryPolicy.retry_back_off:type_name -> envoy.api.v2.core.BackoffStrategy
+	27, // 14: envoy.api.v2.core.RetryPolicy.num_retries:type_name -> google.protobuf.UInt32Value
+	28, // 15: envoy.api.v2.core.RemoteDataSource.http_uri:type_name -> envoy.api.v2.core.HttpUri
+	15, // 16: envoy.api.v2.core.RemoteDataSource.retry_policy:type_name -> envoy.api.v2.core.RetryPolicy
+	14, // 17: envoy.api.v2.core.AsyncDataSource.local:type_name -> envoy.api.v2.core.DataSource
+	16, // 18: envoy.api.v2.core.AsyncDataSource.remote:type_name -> envoy.api.v2.core.RemoteDataSource
+	23, // 19: envoy.api.v2.core.TransportSocket.config:type_name -> google.protobuf.Struct
+	29, // 20: envoy.api.v2.core.TransportSocket.typed_config:type_name -> google.protobuf.Any
+	30, // 21: envoy.api.v2.core.RuntimeFractionalPercent.default_value:type_name -> envoy.type.FractionalPercent
+	23, // 22: envoy.api.v2.core.Metadata.FilterMetadataEntry.value:type_name -> google.protobuf.Struct
+	23, // [23:23] is the sub-list for method output_type
+	23, // [23:23] is the sub-list for method input_type
+	23, // [23:23] is the sub-list for extension type_name
+	23, // [23:23] is the sub-list for extension extendee
+	0,  // [0:23] is the sub-list for field type_name
+}
+
+func init() { file_envoy_api_v2_core_base_proto_init() }
+func file_envoy_api_v2_core_base_proto_init() {
+	if File_envoy_api_v2_core_base_proto != nil {
+		return
+	}
+	file_envoy_api_v2_core_address_proto_init()
+	file_envoy_api_v2_core_backoff_proto_init()
+	file_envoy_api_v2_core_http_uri_proto_init()
+	file_envoy_api_v2_core_socket_option_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_envoy_api_v2_core_base_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Locality); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BuildVersion); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Extension); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Node); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Metadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RuntimeUInt32); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RuntimeDouble); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RuntimeFeatureFlag); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*HeaderValue); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*HeaderValueOption); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*HeaderMap); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DataSource); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RetryPolicy); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RemoteDataSource); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AsyncDataSource); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*TransportSocket); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RuntimeFractionalPercent); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_base_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ControlPlane); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_envoy_api_v2_core_base_proto_msgTypes[3].OneofWrappers = []interface{}{
+		(*Node_UserAgentVersion)(nil),
+		(*Node_UserAgentBuildVersion)(nil),
+	}
+	file_envoy_api_v2_core_base_proto_msgTypes[11].OneofWrappers = []interface{}{
+		(*DataSource_Filename)(nil),
+		(*DataSource_InlineBytes)(nil),
+		(*DataSource_InlineString)(nil),
+	}
+	file_envoy_api_v2_core_base_proto_msgTypes[14].OneofWrappers = []interface{}{
+		(*AsyncDataSource_Local)(nil),
+		(*AsyncDataSource_Remote)(nil),
+	}
+	file_envoy_api_v2_core_base_proto_msgTypes[15].OneofWrappers = []interface{}{
+		(*TransportSocket_Config)(nil),
+		(*TransportSocket_TypedConfig)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_envoy_api_v2_core_base_proto_rawDesc,
+			NumEnums:      3,
+			NumMessages:   19,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_envoy_api_v2_core_base_proto_goTypes,
+		DependencyIndexes: file_envoy_api_v2_core_base_proto_depIdxs,
+		EnumInfos:         file_envoy_api_v2_core_base_proto_enumTypes,
+		MessageInfos:      file_envoy_api_v2_core_base_proto_msgTypes,
+	}.Build()
+	File_envoy_api_v2_core_base_proto = out.File
+	file_envoy_api_v2_core_base_proto_rawDesc = nil
+	file_envoy_api_v2_core_base_proto_goTypes = nil
+	file_envoy_api_v2_core_base_proto_depIdxs = nil
+}
diff --git a/proto/envoy/api/v2/core/config_source.pb.go b/proto/envoy/api/v2/core/config_source.pb.go
new file mode 100644
index 0000000..22000aa
--- /dev/null
+++ b/proto/envoy/api/v2/core/config_source.pb.go
@@ -0,0 +1,861 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.14.0
+// source: envoy/api/v2/core/config_source.proto
+
+package core
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	durationpb "google.golang.org/protobuf/types/known/durationpb"
+	wrapperspb "google.golang.org/protobuf/types/known/wrapperspb"
+	reflect "reflect"
+	_ "skywalking.apache.org/repo/goapi/proto/envoy/annotations"
+	_ "skywalking.apache.org/repo/goapi/proto/udpa/annotations"
+	_ "skywalking.apache.org/repo/goapi/proto/validate"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// xDS API version. This is used to describe both resource and transport
+// protocol versions (in distinct configuration fields).
+type ApiVersion int32
+
+const (
+	// When not specified, we assume v2, to ease migration to Envoy's stable API
+	// versioning. If a client does not support v2 (e.g. due to deprecation), this
+	// is an invalid value.
+	//
+	// Deprecated: Do not use.
+	ApiVersion_AUTO ApiVersion = 0
+	// Use xDS v2 API.
+	//
+	// Deprecated: Do not use.
+	ApiVersion_V2 ApiVersion = 1
+	// Use xDS v3 API.
+	ApiVersion_V3 ApiVersion = 2
+)
+
+// Enum value maps for ApiVersion.
+var (
+	ApiVersion_name = map[int32]string{
+		0: "AUTO",
+		1: "V2",
+		2: "V3",
+	}
+	ApiVersion_value = map[string]int32{
+		"AUTO": 0,
+		"V2":   1,
+		"V3":   2,
+	}
+)
+
+func (x ApiVersion) Enum() *ApiVersion {
+	p := new(ApiVersion)
+	*p = x
+	return p
+}
+
+func (x ApiVersion) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (ApiVersion) Descriptor() protoreflect.EnumDescriptor {
+	return file_envoy_api_v2_core_config_source_proto_enumTypes[0].Descriptor()
+}
+
+func (ApiVersion) Type() protoreflect.EnumType {
+	return &file_envoy_api_v2_core_config_source_proto_enumTypes[0]
+}
+
+func (x ApiVersion) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use ApiVersion.Descriptor instead.
+func (ApiVersion) EnumDescriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_config_source_proto_rawDescGZIP(), []int{0}
+}
+
+// APIs may be fetched via either REST or gRPC.
+type ApiConfigSource_ApiType int32
+
+const (
+	// Ideally this would be 'reserved 0' but one can't reserve the default
+	// value. Instead we throw an exception if this is ever used.
+	//
+	// Deprecated: Do not use.
+	ApiConfigSource_UNSUPPORTED_REST_LEGACY ApiConfigSource_ApiType = 0
+	// REST-JSON v2 API. The `canonical JSON encoding
+	// <https://developers.google.com/protocol-buffers/docs/proto3#json>`_ for
+	// the v2 protos is used.
+	ApiConfigSource_REST ApiConfigSource_ApiType = 1
+	// gRPC v2 API.
+	ApiConfigSource_GRPC ApiConfigSource_ApiType = 2
+	// Using the delta xDS gRPC service, i.e. DeltaDiscovery{Request,Response}
+	// rather than Discovery{Request,Response}. Rather than sending Envoy the entire state
+	// with every update, the xDS server only sends what has changed since the last update.
+	ApiConfigSource_DELTA_GRPC ApiConfigSource_ApiType = 3
+)
+
+// Enum value maps for ApiConfigSource_ApiType.
+var (
+	ApiConfigSource_ApiType_name = map[int32]string{
+		0: "UNSUPPORTED_REST_LEGACY",
+		1: "REST",
+		2: "GRPC",
+		3: "DELTA_GRPC",
+	}
+	ApiConfigSource_ApiType_value = map[string]int32{
+		"UNSUPPORTED_REST_LEGACY": 0,
+		"REST":                    1,
+		"GRPC":                    2,
+		"DELTA_GRPC":              3,
+	}
+)
+
+func (x ApiConfigSource_ApiType) Enum() *ApiConfigSource_ApiType {
+	p := new(ApiConfigSource_ApiType)
+	*p = x
+	return p
+}
+
+func (x ApiConfigSource_ApiType) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (ApiConfigSource_ApiType) Descriptor() protoreflect.EnumDescriptor {
+	return file_envoy_api_v2_core_config_source_proto_enumTypes[1].Descriptor()
+}
+
+func (ApiConfigSource_ApiType) Type() protoreflect.EnumType {
+	return &file_envoy_api_v2_core_config_source_proto_enumTypes[1]
+}
+
+func (x ApiConfigSource_ApiType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use ApiConfigSource_ApiType.Descriptor instead.
+func (ApiConfigSource_ApiType) EnumDescriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_config_source_proto_rawDescGZIP(), []int{0, 0}
+}
+
+// API configuration source. This identifies the API type and cluster that Envoy
+// will use to fetch an xDS API.
+// [#next-free-field: 9]
+type ApiConfigSource struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// API type (gRPC, REST, delta gRPC)
+	ApiType ApiConfigSource_ApiType `protobuf:"varint,1,opt,name=api_type,json=apiType,proto3,enum=envoy.api.v2.core.ApiConfigSource_ApiType" json:"api_type,omitempty"`
+	// API version for xDS transport protocol. This describes the xDS gRPC/REST
+	// endpoint and version of [Delta]DiscoveryRequest/Response used on the wire.
+	TransportApiVersion ApiVersion `protobuf:"varint,8,opt,name=transport_api_version,json=transportApiVersion,proto3,enum=envoy.api.v2.core.ApiVersion" json:"transport_api_version,omitempty"`
+	// Cluster names should be used only with REST. If > 1
+	// cluster is defined, clusters will be cycled through if any kind of failure
+	// occurs.
+	//
+	// .. note::
+	//
+	//  The cluster with name ``cluster_name`` must be statically defined and its
+	//  type must not be ``EDS``.
+	ClusterNames []string `protobuf:"bytes,2,rep,name=cluster_names,json=clusterNames,proto3" json:"cluster_names,omitempty"`
+	// Multiple gRPC services be provided for GRPC. If > 1 cluster is defined,
+	// services will be cycled through if any kind of failure occurs.
+	GrpcServices []*GrpcService `protobuf:"bytes,4,rep,name=grpc_services,json=grpcServices,proto3" json:"grpc_services,omitempty"`
+	// For REST APIs, the delay between successive polls.
+	RefreshDelay *durationpb.Duration `protobuf:"bytes,3,opt,name=refresh_delay,json=refreshDelay,proto3" json:"refresh_delay,omitempty"`
+	// For REST APIs, the request timeout. If not set, a default value of 1s will be used.
+	RequestTimeout *durationpb.Duration `protobuf:"bytes,5,opt,name=request_timeout,json=requestTimeout,proto3" json:"request_timeout,omitempty"`
+	// For GRPC APIs, the rate limit settings. If present, discovery requests made by Envoy will be
+	// rate limited.
+	RateLimitSettings *RateLimitSettings `protobuf:"bytes,6,opt,name=rate_limit_settings,json=rateLimitSettings,proto3" json:"rate_limit_settings,omitempty"`
+	// Skip the node identifier in subsequent discovery requests for streaming gRPC config types.
+	SetNodeOnFirstMessageOnly bool `protobuf:"varint,7,opt,name=set_node_on_first_message_only,json=setNodeOnFirstMessageOnly,proto3" json:"set_node_on_first_message_only,omitempty"`
+}
+
+func (x *ApiConfigSource) Reset() {
+	*x = ApiConfigSource{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_config_source_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ApiConfigSource) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ApiConfigSource) ProtoMessage() {}
+
+func (x *ApiConfigSource) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_config_source_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ApiConfigSource.ProtoReflect.Descriptor instead.
+func (*ApiConfigSource) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_config_source_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *ApiConfigSource) GetApiType() ApiConfigSource_ApiType {
+	if x != nil {
+		return x.ApiType
+	}
+	return ApiConfigSource_UNSUPPORTED_REST_LEGACY
+}
+
+func (x *ApiConfigSource) GetTransportApiVersion() ApiVersion {
+	if x != nil {
+		return x.TransportApiVersion
+	}
+	return ApiVersion_AUTO
+}
+
+func (x *ApiConfigSource) GetClusterNames() []string {
+	if x != nil {
+		return x.ClusterNames
+	}
+	return nil
+}
+
+func (x *ApiConfigSource) GetGrpcServices() []*GrpcService {
+	if x != nil {
+		return x.GrpcServices
+	}
+	return nil
+}
+
+func (x *ApiConfigSource) GetRefreshDelay() *durationpb.Duration {
+	if x != nil {
+		return x.RefreshDelay
+	}
+	return nil
+}
+
+func (x *ApiConfigSource) GetRequestTimeout() *durationpb.Duration {
+	if x != nil {
+		return x.RequestTimeout
+	}
+	return nil
+}
+
+func (x *ApiConfigSource) GetRateLimitSettings() *RateLimitSettings {
+	if x != nil {
+		return x.RateLimitSettings
+	}
+	return nil
+}
+
+func (x *ApiConfigSource) GetSetNodeOnFirstMessageOnly() bool {
+	if x != nil {
+		return x.SetNodeOnFirstMessageOnly
+	}
+	return false
+}
+
+// Aggregated Discovery Service (ADS) options. This is currently empty, but when
+// set in :ref:`ConfigSource <envoy_api_msg_core.ConfigSource>` can be used to
+// specify that ADS is to be used.
+type AggregatedConfigSource struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *AggregatedConfigSource) Reset() {
+	*x = AggregatedConfigSource{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_config_source_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AggregatedConfigSource) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AggregatedConfigSource) ProtoMessage() {}
+
+func (x *AggregatedConfigSource) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_config_source_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AggregatedConfigSource.ProtoReflect.Descriptor instead.
+func (*AggregatedConfigSource) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_config_source_proto_rawDescGZIP(), []int{1}
+}
+
+// [#not-implemented-hide:]
+// Self-referencing config source options. This is currently empty, but when
+// set in :ref:`ConfigSource <envoy_api_msg_core.ConfigSource>` can be used to
+// specify that other data can be obtained from the same server.
+type SelfConfigSource struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// API version for xDS transport protocol. This describes the xDS gRPC/REST
+	// endpoint and version of [Delta]DiscoveryRequest/Response used on the wire.
+	TransportApiVersion ApiVersion `protobuf:"varint,1,opt,name=transport_api_version,json=transportApiVersion,proto3,enum=envoy.api.v2.core.ApiVersion" json:"transport_api_version,omitempty"`
+}
+
+func (x *SelfConfigSource) Reset() {
+	*x = SelfConfigSource{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_config_source_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SelfConfigSource) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SelfConfigSource) ProtoMessage() {}
+
+func (x *SelfConfigSource) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_config_source_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SelfConfigSource.ProtoReflect.Descriptor instead.
+func (*SelfConfigSource) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_config_source_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *SelfConfigSource) GetTransportApiVersion() ApiVersion {
+	if x != nil {
+		return x.TransportApiVersion
+	}
+	return ApiVersion_AUTO
+}
+
+// Rate Limit settings to be applied for discovery requests made by Envoy.
+type RateLimitSettings struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Maximum number of tokens to be used for rate limiting discovery request calls. If not set, a
+	// default value of 100 will be used.
+	MaxTokens *wrapperspb.UInt32Value `protobuf:"bytes,1,opt,name=max_tokens,json=maxTokens,proto3" json:"max_tokens,omitempty"`
+	// Rate at which tokens will be filled per second. If not set, a default fill rate of 10 tokens
+	// per second will be used.
+	FillRate *wrapperspb.DoubleValue `protobuf:"bytes,2,opt,name=fill_rate,json=fillRate,proto3" json:"fill_rate,omitempty"`
+}
+
+func (x *RateLimitSettings) Reset() {
+	*x = RateLimitSettings{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_config_source_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RateLimitSettings) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RateLimitSettings) ProtoMessage() {}
+
+func (x *RateLimitSettings) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_config_source_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RateLimitSettings.ProtoReflect.Descriptor instead.
+func (*RateLimitSettings) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_config_source_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *RateLimitSettings) GetMaxTokens() *wrapperspb.UInt32Value {
+	if x != nil {
+		return x.MaxTokens
+	}
+	return nil
+}
+
+func (x *RateLimitSettings) GetFillRate() *wrapperspb.DoubleValue {
+	if x != nil {
+		return x.FillRate
+	}
+	return nil
+}
+
+// Configuration for :ref:`listeners <config_listeners>`, :ref:`clusters
+// <config_cluster_manager>`, :ref:`routes
+// <envoy_api_msg_RouteConfiguration>`, :ref:`endpoints
+// <arch_overview_service_discovery>` etc. may either be sourced from the
+// filesystem or from an xDS API source. Filesystem configs are watched with
+// inotify for updates.
+// [#next-free-field: 7]
+type ConfigSource struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to ConfigSourceSpecifier:
+	//	*ConfigSource_Path
+	//	*ConfigSource_ApiConfigSource
+	//	*ConfigSource_Ads
+	//	*ConfigSource_Self
+	ConfigSourceSpecifier isConfigSource_ConfigSourceSpecifier `protobuf_oneof:"config_source_specifier"`
+	// When this timeout is specified, Envoy will wait no longer than the specified time for first
+	// config response on this xDS subscription during the :ref:`initialization process
+	// <arch_overview_initialization>`. After reaching the timeout, Envoy will move to the next
+	// initialization phase, even if the first config is not delivered yet. The timer is activated
+	// when the xDS API subscription starts, and is disarmed on first config update or on error. 0
+	// means no timeout - Envoy will wait indefinitely for the first xDS config (unless another
+	// timeout applies). The default is 15s.
+	InitialFetchTimeout *durationpb.Duration `protobuf:"bytes,4,opt,name=initial_fetch_timeout,json=initialFetchTimeout,proto3" json:"initial_fetch_timeout,omitempty"`
+	// API version for xDS resources. This implies the type URLs that the client
+	// will request for resources and the resource type that the client will in
+	// turn expect to be delivered.
+	ResourceApiVersion ApiVersion `protobuf:"varint,6,opt,name=resource_api_version,json=resourceApiVersion,proto3,enum=envoy.api.v2.core.ApiVersion" json:"resource_api_version,omitempty"`
+}
+
+func (x *ConfigSource) Reset() {
+	*x = ConfigSource{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_config_source_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ConfigSource) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ConfigSource) ProtoMessage() {}
+
+func (x *ConfigSource) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_config_source_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ConfigSource.ProtoReflect.Descriptor instead.
+func (*ConfigSource) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_config_source_proto_rawDescGZIP(), []int{4}
+}
+
+func (m *ConfigSource) GetConfigSourceSpecifier() isConfigSource_ConfigSourceSpecifier {
+	if m != nil {
+		return m.ConfigSourceSpecifier
+	}
+	return nil
+}
+
+func (x *ConfigSource) GetPath() string {
+	if x, ok := x.GetConfigSourceSpecifier().(*ConfigSource_Path); ok {
+		return x.Path
+	}
+	return ""
+}
+
+func (x *ConfigSource) GetApiConfigSource() *ApiConfigSource {
+	if x, ok := x.GetConfigSourceSpecifier().(*ConfigSource_ApiConfigSource); ok {
+		return x.ApiConfigSource
+	}
+	return nil
+}
+
+func (x *ConfigSource) GetAds() *AggregatedConfigSource {
+	if x, ok := x.GetConfigSourceSpecifier().(*ConfigSource_Ads); ok {
+		return x.Ads
+	}
+	return nil
+}
+
+func (x *ConfigSource) GetSelf() *SelfConfigSource {
+	if x, ok := x.GetConfigSourceSpecifier().(*ConfigSource_Self); ok {
+		return x.Self
+	}
+	return nil
+}
+
+func (x *ConfigSource) GetInitialFetchTimeout() *durationpb.Duration {
+	if x != nil {
+		return x.InitialFetchTimeout
+	}
+	return nil
+}
+
+func (x *ConfigSource) GetResourceApiVersion() ApiVersion {
+	if x != nil {
+		return x.ResourceApiVersion
+	}
+	return ApiVersion_AUTO
+}
+
+type isConfigSource_ConfigSourceSpecifier interface {
+	isConfigSource_ConfigSourceSpecifier()
+}
+
+type ConfigSource_Path struct {
+	// Path on the filesystem to source and watch for configuration updates.
+	// When sourcing configuration for :ref:`secret <envoy_api_msg_auth.Secret>`,
+	// the certificate and key files are also watched for updates.
+	//
+	// .. note::
+	//
+	//  The path to the source must exist at config load time.
+	//
+	// .. note::
+	//
+	//   Envoy will only watch the file path for *moves.* This is because in general only moves
+	//   are atomic. The same method of swapping files as is demonstrated in the
+	//   :ref:`runtime documentation <config_runtime_symbolic_link_swap>` can be used here also.
+	Path string `protobuf:"bytes,1,opt,name=path,proto3,oneof"`
+}
+
+type ConfigSource_ApiConfigSource struct {
+	// API configuration source.
+	ApiConfigSource *ApiConfigSource `protobuf:"bytes,2,opt,name=api_config_source,json=apiConfigSource,proto3,oneof"`
+}
+
+type ConfigSource_Ads struct {
+	// When set, ADS will be used to fetch resources. The ADS API configuration
+	// source in the bootstrap configuration is used.
+	Ads *AggregatedConfigSource `protobuf:"bytes,3,opt,name=ads,proto3,oneof"`
+}
+
+type ConfigSource_Self struct {
+	// [#not-implemented-hide:]
+	// When set, the client will access the resources from the same server it got the
+	// ConfigSource from, although not necessarily from the same stream. This is similar to the
+	// :ref:`ads<envoy_api_field.ConfigSource.ads>` field, except that the client may use a
+	// different stream to the same server. As a result, this field can be used for things
+	// like LRS that cannot be sent on an ADS stream. It can also be used to link from (e.g.)
+	// LDS to RDS on the same server without requiring the management server to know its name
+	// or required credentials.
+	// [#next-major-version: In xDS v3, consider replacing the ads field with this one, since
+	// this field can implicitly mean to use the same stream in the case where the ConfigSource
+	// is provided via ADS and the specified data can also be obtained via ADS.]
+	Self *SelfConfigSource `protobuf:"bytes,5,opt,name=self,proto3,oneof"`
+}
+
+func (*ConfigSource_Path) isConfigSource_ConfigSourceSpecifier() {}
+
+func (*ConfigSource_ApiConfigSource) isConfigSource_ConfigSourceSpecifier() {}
+
+func (*ConfigSource_Ads) isConfigSource_ConfigSourceSpecifier() {}
+
+func (*ConfigSource_Self) isConfigSource_ConfigSourceSpecifier() {}
+
+var File_envoy_api_v2_core_config_source_proto protoreflect.FileDescriptor
+
+var file_envoy_api_v2_core_config_source_proto_rawDesc = []byte{
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+}
+
+var (
+	file_envoy_api_v2_core_config_source_proto_rawDescOnce sync.Once
+	file_envoy_api_v2_core_config_source_proto_rawDescData = file_envoy_api_v2_core_config_source_proto_rawDesc
+)
+
+func file_envoy_api_v2_core_config_source_proto_rawDescGZIP() []byte {
+	file_envoy_api_v2_core_config_source_proto_rawDescOnce.Do(func() {
+		file_envoy_api_v2_core_config_source_proto_rawDescData = protoimpl.X.CompressGZIP(file_envoy_api_v2_core_config_source_proto_rawDescData)
+	})
+	return file_envoy_api_v2_core_config_source_proto_rawDescData
+}
+
+var file_envoy_api_v2_core_config_source_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
+var file_envoy_api_v2_core_config_source_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_envoy_api_v2_core_config_source_proto_goTypes = []interface{}{
+	(ApiVersion)(0),                // 0: envoy.api.v2.core.ApiVersion
+	(ApiConfigSource_ApiType)(0),   // 1: envoy.api.v2.core.ApiConfigSource.ApiType
+	(*ApiConfigSource)(nil),        // 2: envoy.api.v2.core.ApiConfigSource
+	(*AggregatedConfigSource)(nil), // 3: envoy.api.v2.core.AggregatedConfigSource
+	(*SelfConfigSource)(nil),       // 4: envoy.api.v2.core.SelfConfigSource
+	(*RateLimitSettings)(nil),      // 5: envoy.api.v2.core.RateLimitSettings
+	(*ConfigSource)(nil),           // 6: envoy.api.v2.core.ConfigSource
+	(*GrpcService)(nil),            // 7: envoy.api.v2.core.GrpcService
+	(*durationpb.Duration)(nil),    // 8: google.protobuf.Duration
+	(*wrapperspb.UInt32Value)(nil), // 9: google.protobuf.UInt32Value
+	(*wrapperspb.DoubleValue)(nil), // 10: google.protobuf.DoubleValue
+}
+var file_envoy_api_v2_core_config_source_proto_depIdxs = []int32{
+	1,  // 0: envoy.api.v2.core.ApiConfigSource.api_type:type_name -> envoy.api.v2.core.ApiConfigSource.ApiType
+	0,  // 1: envoy.api.v2.core.ApiConfigSource.transport_api_version:type_name -> envoy.api.v2.core.ApiVersion
+	7,  // 2: envoy.api.v2.core.ApiConfigSource.grpc_services:type_name -> envoy.api.v2.core.GrpcService
+	8,  // 3: envoy.api.v2.core.ApiConfigSource.refresh_delay:type_name -> google.protobuf.Duration
+	8,  // 4: envoy.api.v2.core.ApiConfigSource.request_timeout:type_name -> google.protobuf.Duration
+	5,  // 5: envoy.api.v2.core.ApiConfigSource.rate_limit_settings:type_name -> envoy.api.v2.core.RateLimitSettings
+	0,  // 6: envoy.api.v2.core.SelfConfigSource.transport_api_version:type_name -> envoy.api.v2.core.ApiVersion
+	9,  // 7: envoy.api.v2.core.RateLimitSettings.max_tokens:type_name -> google.protobuf.UInt32Value
+	10, // 8: envoy.api.v2.core.RateLimitSettings.fill_rate:type_name -> google.protobuf.DoubleValue
+	2,  // 9: envoy.api.v2.core.ConfigSource.api_config_source:type_name -> envoy.api.v2.core.ApiConfigSource
+	3,  // 10: envoy.api.v2.core.ConfigSource.ads:type_name -> envoy.api.v2.core.AggregatedConfigSource
+	4,  // 11: envoy.api.v2.core.ConfigSource.self:type_name -> envoy.api.v2.core.SelfConfigSource
+	8,  // 12: envoy.api.v2.core.ConfigSource.initial_fetch_timeout:type_name -> google.protobuf.Duration
+	0,  // 13: envoy.api.v2.core.ConfigSource.resource_api_version:type_name -> envoy.api.v2.core.ApiVersion
+	14, // [14:14] is the sub-list for method output_type
+	14, // [14:14] is the sub-list for method input_type
+	14, // [14:14] is the sub-list for extension type_name
+	14, // [14:14] is the sub-list for extension extendee
+	0,  // [0:14] is the sub-list for field type_name
+}
+
+func init() { file_envoy_api_v2_core_config_source_proto_init() }
+func file_envoy_api_v2_core_config_source_proto_init() {
+	if File_envoy_api_v2_core_config_source_proto != nil {
+		return
+	}
+	file_envoy_api_v2_core_grpc_service_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_envoy_api_v2_core_config_source_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ApiConfigSource); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_config_source_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AggregatedConfigSource); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_config_source_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SelfConfigSource); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_config_source_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RateLimitSettings); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_config_source_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ConfigSource); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_envoy_api_v2_core_config_source_proto_msgTypes[4].OneofWrappers = []interface{}{
+		(*ConfigSource_Path)(nil),
+		(*ConfigSource_ApiConfigSource)(nil),
+		(*ConfigSource_Ads)(nil),
+		(*ConfigSource_Self)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_envoy_api_v2_core_config_source_proto_rawDesc,
+			NumEnums:      2,
+			NumMessages:   5,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_envoy_api_v2_core_config_source_proto_goTypes,
+		DependencyIndexes: file_envoy_api_v2_core_config_source_proto_depIdxs,
+		EnumInfos:         file_envoy_api_v2_core_config_source_proto_enumTypes,
+		MessageInfos:      file_envoy_api_v2_core_config_source_proto_msgTypes,
+	}.Build()
+	File_envoy_api_v2_core_config_source_proto = out.File
+	file_envoy_api_v2_core_config_source_proto_rawDesc = nil
+	file_envoy_api_v2_core_config_source_proto_goTypes = nil
+	file_envoy_api_v2_core_config_source_proto_depIdxs = nil
+}
diff --git a/proto/envoy/api/v2/core/event_service_config.pb.go b/proto/envoy/api/v2/core/event_service_config.pb.go
new file mode 100644
index 0000000..8b88642
--- /dev/null
+++ b/proto/envoy/api/v2/core/event_service_config.pb.go
@@ -0,0 +1,193 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.14.0
+// source: envoy/api/v2/core/event_service_config.proto
+
+package core
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	_ "skywalking.apache.org/repo/goapi/proto/udpa/annotations"
+	_ "skywalking.apache.org/repo/goapi/proto/validate"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// [#not-implemented-hide:]
+// Configuration of the event reporting service endpoint.
+type EventServiceConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to ConfigSourceSpecifier:
+	//	*EventServiceConfig_GrpcService
+	ConfigSourceSpecifier isEventServiceConfig_ConfigSourceSpecifier `protobuf_oneof:"config_source_specifier"`
+}
+
+func (x *EventServiceConfig) Reset() {
+	*x = EventServiceConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_event_service_config_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *EventServiceConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*EventServiceConfig) ProtoMessage() {}
+
+func (x *EventServiceConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_event_service_config_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use EventServiceConfig.ProtoReflect.Descriptor instead.
+func (*EventServiceConfig) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_event_service_config_proto_rawDescGZIP(), []int{0}
+}
+
+func (m *EventServiceConfig) GetConfigSourceSpecifier() isEventServiceConfig_ConfigSourceSpecifier {
+	if m != nil {
+		return m.ConfigSourceSpecifier
+	}
+	return nil
+}
+
+func (x *EventServiceConfig) GetGrpcService() *GrpcService {
+	if x, ok := x.GetConfigSourceSpecifier().(*EventServiceConfig_GrpcService); ok {
+		return x.GrpcService
+	}
+	return nil
+}
+
+type isEventServiceConfig_ConfigSourceSpecifier interface {
+	isEventServiceConfig_ConfigSourceSpecifier()
+}
+
+type EventServiceConfig_GrpcService struct {
+	// Specifies the gRPC service that hosts the event reporting service.
+	GrpcService *GrpcService `protobuf:"bytes,1,opt,name=grpc_service,json=grpcService,proto3,oneof"`
+}
+
+func (*EventServiceConfig_GrpcService) isEventServiceConfig_ConfigSourceSpecifier() {}
+
+var File_envoy_api_v2_core_event_service_config_proto protoreflect.FileDescriptor
+
+var file_envoy_api_v2_core_event_service_config_proto_rawDesc = []byte{
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+	0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_envoy_api_v2_core_event_service_config_proto_rawDescOnce sync.Once
+	file_envoy_api_v2_core_event_service_config_proto_rawDescData = file_envoy_api_v2_core_event_service_config_proto_rawDesc
+)
+
+func file_envoy_api_v2_core_event_service_config_proto_rawDescGZIP() []byte {
+	file_envoy_api_v2_core_event_service_config_proto_rawDescOnce.Do(func() {
+		file_envoy_api_v2_core_event_service_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_envoy_api_v2_core_event_service_config_proto_rawDescData)
+	})
+	return file_envoy_api_v2_core_event_service_config_proto_rawDescData
+}
+
+var file_envoy_api_v2_core_event_service_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_envoy_api_v2_core_event_service_config_proto_goTypes = []interface{}{
+	(*EventServiceConfig)(nil), // 0: envoy.api.v2.core.EventServiceConfig
+	(*GrpcService)(nil),        // 1: envoy.api.v2.core.GrpcService
+}
+var file_envoy_api_v2_core_event_service_config_proto_depIdxs = []int32{
+	1, // 0: envoy.api.v2.core.EventServiceConfig.grpc_service:type_name -> envoy.api.v2.core.GrpcService
+	1, // [1:1] is the sub-list for method output_type
+	1, // [1:1] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_envoy_api_v2_core_event_service_config_proto_init() }
+func file_envoy_api_v2_core_event_service_config_proto_init() {
+	if File_envoy_api_v2_core_event_service_config_proto != nil {
+		return
+	}
+	file_envoy_api_v2_core_grpc_service_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_envoy_api_v2_core_event_service_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*EventServiceConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_envoy_api_v2_core_event_service_config_proto_msgTypes[0].OneofWrappers = []interface{}{
+		(*EventServiceConfig_GrpcService)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_envoy_api_v2_core_event_service_config_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_envoy_api_v2_core_event_service_config_proto_goTypes,
+		DependencyIndexes: file_envoy_api_v2_core_event_service_config_proto_depIdxs,
+		MessageInfos:      file_envoy_api_v2_core_event_service_config_proto_msgTypes,
+	}.Build()
+	File_envoy_api_v2_core_event_service_config_proto = out.File
+	file_envoy_api_v2_core_event_service_config_proto_rawDesc = nil
+	file_envoy_api_v2_core_event_service_config_proto_goTypes = nil
+	file_envoy_api_v2_core_event_service_config_proto_depIdxs = nil
+}
diff --git a/proto/envoy/api/v2/core/grpc_method_list.pb.go b/proto/envoy/api/v2/core/grpc_method_list.pb.go
new file mode 100644
index 0000000..97ea1da
--- /dev/null
+++ b/proto/envoy/api/v2/core/grpc_method_list.pb.go
@@ -0,0 +1,237 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.14.0
+// source: envoy/api/v2/core/grpc_method_list.proto
+
+package core
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	_ "skywalking.apache.org/repo/goapi/proto/udpa/annotations"
+	_ "skywalking.apache.org/repo/goapi/proto/validate"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// A list of gRPC methods which can be used as an allowlist, for example.
+type GrpcMethodList struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Services []*GrpcMethodList_Service `protobuf:"bytes,1,rep,name=services,proto3" json:"services,omitempty"`
+}
+
+func (x *GrpcMethodList) Reset() {
+	*x = GrpcMethodList{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_grpc_method_list_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GrpcMethodList) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcMethodList) ProtoMessage() {}
+
+func (x *GrpcMethodList) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_grpc_method_list_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcMethodList.ProtoReflect.Descriptor instead.
+func (*GrpcMethodList) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_grpc_method_list_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *GrpcMethodList) GetServices() []*GrpcMethodList_Service {
+	if x != nil {
+		return x.Services
+	}
+	return nil
+}
+
+type GrpcMethodList_Service struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The name of the gRPC service.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// The names of the gRPC methods in this service.
+	MethodNames []string `protobuf:"bytes,2,rep,name=method_names,json=methodNames,proto3" json:"method_names,omitempty"`
+}
+
+func (x *GrpcMethodList_Service) Reset() {
+	*x = GrpcMethodList_Service{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_grpc_method_list_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GrpcMethodList_Service) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcMethodList_Service) ProtoMessage() {}
+
+func (x *GrpcMethodList_Service) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_grpc_method_list_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcMethodList_Service.ProtoReflect.Descriptor instead.
+func (*GrpcMethodList_Service) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_grpc_method_list_proto_rawDescGZIP(), []int{0, 0}
+}
+
+func (x *GrpcMethodList_Service) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *GrpcMethodList_Service) GetMethodNames() []string {
+	if x != nil {
+		return x.MethodNames
+	}
+	return nil
+}
+
+var File_envoy_api_v2_core_grpc_method_list_proto protoreflect.FileDescriptor
+
+var file_envoy_api_v2_core_grpc_method_list_proto_rawDesc = []byte{
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+	0x68, 0x6f, 0x64, 0x4c, 0x69, 0x73, 0x74, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0xf2, 0x98,
+	0xfe, 0x8f, 0x05, 0x16, 0x12, 0x14, 0x65, 0x6e, 0x76, 0x6f, 0x79, 0x2e, 0x63, 0x6f, 0x6e, 0x66,
+	0x69, 0x67, 0x2e, 0x63, 0x6f, 0x72, 0x65, 0x2e, 0x76, 0x33, 0xba, 0x80, 0xc8, 0xd1, 0x06, 0x02,
+	0x10, 0x01, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_envoy_api_v2_core_grpc_method_list_proto_rawDescOnce sync.Once
+	file_envoy_api_v2_core_grpc_method_list_proto_rawDescData = file_envoy_api_v2_core_grpc_method_list_proto_rawDesc
+)
+
+func file_envoy_api_v2_core_grpc_method_list_proto_rawDescGZIP() []byte {
+	file_envoy_api_v2_core_grpc_method_list_proto_rawDescOnce.Do(func() {
+		file_envoy_api_v2_core_grpc_method_list_proto_rawDescData = protoimpl.X.CompressGZIP(file_envoy_api_v2_core_grpc_method_list_proto_rawDescData)
+	})
+	return file_envoy_api_v2_core_grpc_method_list_proto_rawDescData
+}
+
+var file_envoy_api_v2_core_grpc_method_list_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_envoy_api_v2_core_grpc_method_list_proto_goTypes = []interface{}{
+	(*GrpcMethodList)(nil),         // 0: envoy.api.v2.core.GrpcMethodList
+	(*GrpcMethodList_Service)(nil), // 1: envoy.api.v2.core.GrpcMethodList.Service
+}
+var file_envoy_api_v2_core_grpc_method_list_proto_depIdxs = []int32{
+	1, // 0: envoy.api.v2.core.GrpcMethodList.services:type_name -> envoy.api.v2.core.GrpcMethodList.Service
+	1, // [1:1] is the sub-list for method output_type
+	1, // [1:1] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_envoy_api_v2_core_grpc_method_list_proto_init() }
+func file_envoy_api_v2_core_grpc_method_list_proto_init() {
+	if File_envoy_api_v2_core_grpc_method_list_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_envoy_api_v2_core_grpc_method_list_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GrpcMethodList); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_grpc_method_list_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GrpcMethodList_Service); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_envoy_api_v2_core_grpc_method_list_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_envoy_api_v2_core_grpc_method_list_proto_goTypes,
+		DependencyIndexes: file_envoy_api_v2_core_grpc_method_list_proto_depIdxs,
+		MessageInfos:      file_envoy_api_v2_core_grpc_method_list_proto_msgTypes,
+	}.Build()
+	File_envoy_api_v2_core_grpc_method_list_proto = out.File
+	file_envoy_api_v2_core_grpc_method_list_proto_rawDesc = nil
+	file_envoy_api_v2_core_grpc_method_list_proto_goTypes = nil
+	file_envoy_api_v2_core_grpc_method_list_proto_depIdxs = nil
+}
diff --git a/proto/envoy/api/v2/core/grpc_service.pb.go b/proto/envoy/api/v2/core/grpc_service.pb.go
new file mode 100644
index 0000000..2ecd2e8
--- /dev/null
+++ b/proto/envoy/api/v2/core/grpc_service.pb.go
@@ -0,0 +1,1466 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.14.0
+// source: envoy/api/v2/core/grpc_service.proto
+
+package core
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	anypb "google.golang.org/protobuf/types/known/anypb"
+	durationpb "google.golang.org/protobuf/types/known/durationpb"
+	emptypb "google.golang.org/protobuf/types/known/emptypb"
+	structpb "google.golang.org/protobuf/types/known/structpb"
+	reflect "reflect"
+	_ "skywalking.apache.org/repo/goapi/proto/udpa/annotations"
+	_ "skywalking.apache.org/repo/goapi/proto/validate"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// gRPC service configuration. This is used by :ref:`ApiConfigSource
+// <envoy_api_msg_core.ApiConfigSource>` and filter configurations.
+// [#next-free-field: 6]
+type GrpcService struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to TargetSpecifier:
+	//	*GrpcService_EnvoyGrpc_
+	//	*GrpcService_GoogleGrpc_
+	TargetSpecifier isGrpcService_TargetSpecifier `protobuf_oneof:"target_specifier"`
+	// The timeout for the gRPC request. This is the timeout for a specific
+	// request.
+	Timeout *durationpb.Duration `protobuf:"bytes,3,opt,name=timeout,proto3" json:"timeout,omitempty"`
+	// Additional metadata to include in streams initiated to the GrpcService.
+	// This can be used for scenarios in which additional ad hoc authorization
+	// headers (e.g. ``x-foo-bar: baz-key``) are to be injected.
+	InitialMetadata []*HeaderValue `protobuf:"bytes,5,rep,name=initial_metadata,json=initialMetadata,proto3" json:"initial_metadata,omitempty"`
+}
+
+func (x *GrpcService) Reset() {
+	*x = GrpcService{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GrpcService) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcService) ProtoMessage() {}
+
+func (x *GrpcService) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcService.ProtoReflect.Descriptor instead.
+func (*GrpcService) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_grpc_service_proto_rawDescGZIP(), []int{0}
+}
+
+func (m *GrpcService) GetTargetSpecifier() isGrpcService_TargetSpecifier {
+	if m != nil {
+		return m.TargetSpecifier
+	}
+	return nil
+}
+
+func (x *GrpcService) GetEnvoyGrpc() *GrpcService_EnvoyGrpc {
+	if x, ok := x.GetTargetSpecifier().(*GrpcService_EnvoyGrpc_); ok {
+		return x.EnvoyGrpc
+	}
+	return nil
+}
+
+func (x *GrpcService) GetGoogleGrpc() *GrpcService_GoogleGrpc {
+	if x, ok := x.GetTargetSpecifier().(*GrpcService_GoogleGrpc_); ok {
+		return x.GoogleGrpc
+	}
+	return nil
+}
+
+func (x *GrpcService) GetTimeout() *durationpb.Duration {
+	if x != nil {
+		return x.Timeout
+	}
+	return nil
+}
+
+func (x *GrpcService) GetInitialMetadata() []*HeaderValue {
+	if x != nil {
+		return x.InitialMetadata
+	}
+	return nil
+}
+
+type isGrpcService_TargetSpecifier interface {
+	isGrpcService_TargetSpecifier()
+}
+
+type GrpcService_EnvoyGrpc_ struct {
+	// Envoy's in-built gRPC client.
+	// See the :ref:`gRPC services overview <arch_overview_grpc_services>`
+	// documentation for discussion on gRPC client selection.
+	EnvoyGrpc *GrpcService_EnvoyGrpc `protobuf:"bytes,1,opt,name=envoy_grpc,json=envoyGrpc,proto3,oneof"`
+}
+
+type GrpcService_GoogleGrpc_ struct {
+	// `Google C++ gRPC client <https://github.com/grpc/grpc>`_
+	// See the :ref:`gRPC services overview <arch_overview_grpc_services>`
+	// documentation for discussion on gRPC client selection.
+	GoogleGrpc *GrpcService_GoogleGrpc `protobuf:"bytes,2,opt,name=google_grpc,json=googleGrpc,proto3,oneof"`
+}
+
+func (*GrpcService_EnvoyGrpc_) isGrpcService_TargetSpecifier() {}
+
+func (*GrpcService_GoogleGrpc_) isGrpcService_TargetSpecifier() {}
+
+type GrpcService_EnvoyGrpc struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The name of the upstream gRPC cluster. SSL credentials will be supplied
+	// in the :ref:`Cluster <envoy_api_msg_Cluster>` :ref:`transport_socket
+	// <envoy_api_field_Cluster.transport_socket>`.
+	ClusterName string `protobuf:"bytes,1,opt,name=cluster_name,json=clusterName,proto3" json:"cluster_name,omitempty"`
+}
+
+func (x *GrpcService_EnvoyGrpc) Reset() {
+	*x = GrpcService_EnvoyGrpc{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GrpcService_EnvoyGrpc) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcService_EnvoyGrpc) ProtoMessage() {}
+
+func (x *GrpcService_EnvoyGrpc) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcService_EnvoyGrpc.ProtoReflect.Descriptor instead.
+func (*GrpcService_EnvoyGrpc) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_grpc_service_proto_rawDescGZIP(), []int{0, 0}
+}
+
+func (x *GrpcService_EnvoyGrpc) GetClusterName() string {
+	if x != nil {
+		return x.ClusterName
+	}
+	return ""
+}
+
+// [#next-free-field: 7]
+type GrpcService_GoogleGrpc struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The target URI when using the `Google C++ gRPC client
+	// <https://github.com/grpc/grpc>`_. SSL credentials will be supplied in
+	// :ref:`channel_credentials <envoy_api_field_core.GrpcService.GoogleGrpc.channel_credentials>`.
+	TargetUri          string                                     `protobuf:"bytes,1,opt,name=target_uri,json=targetUri,proto3" json:"target_uri,omitempty"`
+	ChannelCredentials *GrpcService_GoogleGrpc_ChannelCredentials `protobuf:"bytes,2,opt,name=channel_credentials,json=channelCredentials,proto3" json:"channel_credentials,omitempty"`
+	// A set of call credentials that can be composed with `channel credentials
+	// <https://grpc.io/docs/guides/auth.html#credential-types>`_.
+	CallCredentials []*GrpcService_GoogleGrpc_CallCredentials `protobuf:"bytes,3,rep,name=call_credentials,json=callCredentials,proto3" json:"call_credentials,omitempty"`
+	// The human readable prefix to use when emitting statistics for the gRPC
+	// service.
+	//
+	// .. csv-table::
+	//    :header: Name, Type, Description
+	//    :widths: 1, 1, 2
+	//
+	//    streams_total, Counter, Total number of streams opened
+	//    streams_closed_<gRPC status code>, Counter, Total streams closed with <gRPC status code>
+	StatPrefix string `protobuf:"bytes,4,opt,name=stat_prefix,json=statPrefix,proto3" json:"stat_prefix,omitempty"`
+	// The name of the Google gRPC credentials factory to use. This must have been registered with
+	// Envoy. If this is empty, a default credentials factory will be used that sets up channel
+	// credentials based on other configuration parameters.
+	CredentialsFactoryName string `protobuf:"bytes,5,opt,name=credentials_factory_name,json=credentialsFactoryName,proto3" json:"credentials_factory_name,omitempty"`
+	// Additional configuration for site-specific customizations of the Google
+	// gRPC library.
+	Config *structpb.Struct `protobuf:"bytes,6,opt,name=config,proto3" json:"config,omitempty"`
+}
+
+func (x *GrpcService_GoogleGrpc) Reset() {
+	*x = GrpcService_GoogleGrpc{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GrpcService_GoogleGrpc) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcService_GoogleGrpc) ProtoMessage() {}
+
+func (x *GrpcService_GoogleGrpc) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcService_GoogleGrpc.ProtoReflect.Descriptor instead.
+func (*GrpcService_GoogleGrpc) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_grpc_service_proto_rawDescGZIP(), []int{0, 1}
+}
+
+func (x *GrpcService_GoogleGrpc) GetTargetUri() string {
+	if x != nil {
+		return x.TargetUri
+	}
+	return ""
+}
+
+func (x *GrpcService_GoogleGrpc) GetChannelCredentials() *GrpcService_GoogleGrpc_ChannelCredentials {
+	if x != nil {
+		return x.ChannelCredentials
+	}
+	return nil
+}
+
+func (x *GrpcService_GoogleGrpc) GetCallCredentials() []*GrpcService_GoogleGrpc_CallCredentials {
+	if x != nil {
+		return x.CallCredentials
+	}
+	return nil
+}
+
+func (x *GrpcService_GoogleGrpc) GetStatPrefix() string {
+	if x != nil {
+		return x.StatPrefix
+	}
+	return ""
+}
+
+func (x *GrpcService_GoogleGrpc) GetCredentialsFactoryName() string {
+	if x != nil {
+		return x.CredentialsFactoryName
+	}
+	return ""
+}
+
+func (x *GrpcService_GoogleGrpc) GetConfig() *structpb.Struct {
+	if x != nil {
+		return x.Config
+	}
+	return nil
+}
+
+// See https://grpc.io/grpc/cpp/structgrpc_1_1_ssl_credentials_options.html.
+type GrpcService_GoogleGrpc_SslCredentials struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// PEM encoded server root certificates.
+	RootCerts *DataSource `protobuf:"bytes,1,opt,name=root_certs,json=rootCerts,proto3" json:"root_certs,omitempty"`
+	// PEM encoded client private key.
+	PrivateKey *DataSource `protobuf:"bytes,2,opt,name=private_key,json=privateKey,proto3" json:"private_key,omitempty"`
+	// PEM encoded client certificate chain.
+	CertChain *DataSource `protobuf:"bytes,3,opt,name=cert_chain,json=certChain,proto3" json:"cert_chain,omitempty"`
+}
+
+func (x *GrpcService_GoogleGrpc_SslCredentials) Reset() {
+	*x = GrpcService_GoogleGrpc_SslCredentials{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GrpcService_GoogleGrpc_SslCredentials) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcService_GoogleGrpc_SslCredentials) ProtoMessage() {}
+
+func (x *GrpcService_GoogleGrpc_SslCredentials) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcService_GoogleGrpc_SslCredentials.ProtoReflect.Descriptor instead.
+func (*GrpcService_GoogleGrpc_SslCredentials) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_grpc_service_proto_rawDescGZIP(), []int{0, 1, 0}
+}
+
+func (x *GrpcService_GoogleGrpc_SslCredentials) GetRootCerts() *DataSource {
+	if x != nil {
+		return x.RootCerts
+	}
+	return nil
+}
+
+func (x *GrpcService_GoogleGrpc_SslCredentials) GetPrivateKey() *DataSource {
+	if x != nil {
+		return x.PrivateKey
+	}
+	return nil
+}
+
+func (x *GrpcService_GoogleGrpc_SslCredentials) GetCertChain() *DataSource {
+	if x != nil {
+		return x.CertChain
+	}
+	return nil
+}
+
+// Local channel credentials. Only UDS is supported for now.
+// See https://github.com/grpc/grpc/pull/15909.
+type GrpcService_GoogleGrpc_GoogleLocalCredentials struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *GrpcService_GoogleGrpc_GoogleLocalCredentials) Reset() {
+	*x = GrpcService_GoogleGrpc_GoogleLocalCredentials{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GrpcService_GoogleGrpc_GoogleLocalCredentials) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcService_GoogleGrpc_GoogleLocalCredentials) ProtoMessage() {}
+
+func (x *GrpcService_GoogleGrpc_GoogleLocalCredentials) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcService_GoogleGrpc_GoogleLocalCredentials.ProtoReflect.Descriptor instead.
+func (*GrpcService_GoogleGrpc_GoogleLocalCredentials) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_grpc_service_proto_rawDescGZIP(), []int{0, 1, 1}
+}
+
+// See https://grpc.io/docs/guides/auth.html#credential-types to understand Channel and Call
+// credential types.
+type GrpcService_GoogleGrpc_ChannelCredentials struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to CredentialSpecifier:
+	//	*GrpcService_GoogleGrpc_ChannelCredentials_SslCredentials
+	//	*GrpcService_GoogleGrpc_ChannelCredentials_GoogleDefault
+	//	*GrpcService_GoogleGrpc_ChannelCredentials_LocalCredentials
+	CredentialSpecifier isGrpcService_GoogleGrpc_ChannelCredentials_CredentialSpecifier `protobuf_oneof:"credential_specifier"`
+}
+
+func (x *GrpcService_GoogleGrpc_ChannelCredentials) Reset() {
+	*x = GrpcService_GoogleGrpc_ChannelCredentials{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GrpcService_GoogleGrpc_ChannelCredentials) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcService_GoogleGrpc_ChannelCredentials) ProtoMessage() {}
+
+func (x *GrpcService_GoogleGrpc_ChannelCredentials) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcService_GoogleGrpc_ChannelCredentials.ProtoReflect.Descriptor instead.
+func (*GrpcService_GoogleGrpc_ChannelCredentials) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_grpc_service_proto_rawDescGZIP(), []int{0, 1, 2}
+}
+
+func (m *GrpcService_GoogleGrpc_ChannelCredentials) GetCredentialSpecifier() isGrpcService_GoogleGrpc_ChannelCredentials_CredentialSpecifier {
+	if m != nil {
+		return m.CredentialSpecifier
+	}
+	return nil
+}
+
+func (x *GrpcService_GoogleGrpc_ChannelCredentials) GetSslCredentials() *GrpcService_GoogleGrpc_SslCredentials {
+	if x, ok := x.GetCredentialSpecifier().(*GrpcService_GoogleGrpc_ChannelCredentials_SslCredentials); ok {
+		return x.SslCredentials
+	}
+	return nil
+}
+
+func (x *GrpcService_GoogleGrpc_ChannelCredentials) GetGoogleDefault() *emptypb.Empty {
+	if x, ok := x.GetCredentialSpecifier().(*GrpcService_GoogleGrpc_ChannelCredentials_GoogleDefault); ok {
+		return x.GoogleDefault
+	}
+	return nil
+}
+
+func (x *GrpcService_GoogleGrpc_ChannelCredentials) GetLocalCredentials() *GrpcService_GoogleGrpc_GoogleLocalCredentials {
+	if x, ok := x.GetCredentialSpecifier().(*GrpcService_GoogleGrpc_ChannelCredentials_LocalCredentials); ok {
+		return x.LocalCredentials
+	}
+	return nil
+}
+
+type isGrpcService_GoogleGrpc_ChannelCredentials_CredentialSpecifier interface {
+	isGrpcService_GoogleGrpc_ChannelCredentials_CredentialSpecifier()
+}
+
+type GrpcService_GoogleGrpc_ChannelCredentials_SslCredentials struct {
+	SslCredentials *GrpcService_GoogleGrpc_SslCredentials `protobuf:"bytes,1,opt,name=ssl_credentials,json=sslCredentials,proto3,oneof"`
+}
+
+type GrpcService_GoogleGrpc_ChannelCredentials_GoogleDefault struct {
+	// https://grpc.io/grpc/cpp/namespacegrpc.html#a6beb3ac70ff94bd2ebbd89b8f21d1f61
+	GoogleDefault *emptypb.Empty `protobuf:"bytes,2,opt,name=google_default,json=googleDefault,proto3,oneof"`
+}
+
+type GrpcService_GoogleGrpc_ChannelCredentials_LocalCredentials struct {
+	LocalCredentials *GrpcService_GoogleGrpc_GoogleLocalCredentials `protobuf:"bytes,3,opt,name=local_credentials,json=localCredentials,proto3,oneof"`
+}
+
+func (*GrpcService_GoogleGrpc_ChannelCredentials_SslCredentials) isGrpcService_GoogleGrpc_ChannelCredentials_CredentialSpecifier() {
+}
+
+func (*GrpcService_GoogleGrpc_ChannelCredentials_GoogleDefault) isGrpcService_GoogleGrpc_ChannelCredentials_CredentialSpecifier() {
+}
+
+func (*GrpcService_GoogleGrpc_ChannelCredentials_LocalCredentials) isGrpcService_GoogleGrpc_ChannelCredentials_CredentialSpecifier() {
+}
+
+// [#next-free-field: 8]
+type GrpcService_GoogleGrpc_CallCredentials struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to CredentialSpecifier:
+	//	*GrpcService_GoogleGrpc_CallCredentials_AccessToken
+	//	*GrpcService_GoogleGrpc_CallCredentials_GoogleComputeEngine
+	//	*GrpcService_GoogleGrpc_CallCredentials_GoogleRefreshToken
+	//	*GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJwtAccess
+	//	*GrpcService_GoogleGrpc_CallCredentials_GoogleIam
+	//	*GrpcService_GoogleGrpc_CallCredentials_FromPlugin
+	//	*GrpcService_GoogleGrpc_CallCredentials_StsService_
+	CredentialSpecifier isGrpcService_GoogleGrpc_CallCredentials_CredentialSpecifier `protobuf_oneof:"credential_specifier"`
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials) Reset() {
+	*x = GrpcService_GoogleGrpc_CallCredentials{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcService_GoogleGrpc_CallCredentials) ProtoMessage() {}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcService_GoogleGrpc_CallCredentials.ProtoReflect.Descriptor instead.
+func (*GrpcService_GoogleGrpc_CallCredentials) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_grpc_service_proto_rawDescGZIP(), []int{0, 1, 3}
+}
+
+func (m *GrpcService_GoogleGrpc_CallCredentials) GetCredentialSpecifier() isGrpcService_GoogleGrpc_CallCredentials_CredentialSpecifier {
+	if m != nil {
+		return m.CredentialSpecifier
+	}
+	return nil
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials) GetAccessToken() string {
+	if x, ok := x.GetCredentialSpecifier().(*GrpcService_GoogleGrpc_CallCredentials_AccessToken); ok {
+		return x.AccessToken
+	}
+	return ""
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials) GetGoogleComputeEngine() *emptypb.Empty {
+	if x, ok := x.GetCredentialSpecifier().(*GrpcService_GoogleGrpc_CallCredentials_GoogleComputeEngine); ok {
+		return x.GoogleComputeEngine
+	}
+	return nil
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials) GetGoogleRefreshToken() string {
+	if x, ok := x.GetCredentialSpecifier().(*GrpcService_GoogleGrpc_CallCredentials_GoogleRefreshToken); ok {
+		return x.GoogleRefreshToken
+	}
+	return ""
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials) GetServiceAccountJwtAccess() *GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJWTAccessCredentials {
+	if x, ok := x.GetCredentialSpecifier().(*GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJwtAccess); ok {
+		return x.ServiceAccountJwtAccess
+	}
+	return nil
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials) GetGoogleIam() *GrpcService_GoogleGrpc_CallCredentials_GoogleIAMCredentials {
+	if x, ok := x.GetCredentialSpecifier().(*GrpcService_GoogleGrpc_CallCredentials_GoogleIam); ok {
+		return x.GoogleIam
+	}
+	return nil
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials) GetFromPlugin() *GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin {
+	if x, ok := x.GetCredentialSpecifier().(*GrpcService_GoogleGrpc_CallCredentials_FromPlugin); ok {
+		return x.FromPlugin
+	}
+	return nil
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials) GetStsService() *GrpcService_GoogleGrpc_CallCredentials_StsService {
+	if x, ok := x.GetCredentialSpecifier().(*GrpcService_GoogleGrpc_CallCredentials_StsService_); ok {
+		return x.StsService
+	}
+	return nil
+}
+
+type isGrpcService_GoogleGrpc_CallCredentials_CredentialSpecifier interface {
+	isGrpcService_GoogleGrpc_CallCredentials_CredentialSpecifier()
+}
+
+type GrpcService_GoogleGrpc_CallCredentials_AccessToken struct {
+	// Access token credentials.
+	// https://grpc.io/grpc/cpp/namespacegrpc.html#ad3a80da696ffdaea943f0f858d7a360d.
+	AccessToken string `protobuf:"bytes,1,opt,name=access_token,json=accessToken,proto3,oneof"`
+}
+
+type GrpcService_GoogleGrpc_CallCredentials_GoogleComputeEngine struct {
+	// Google Compute Engine credentials.
+	// https://grpc.io/grpc/cpp/namespacegrpc.html#a6beb3ac70ff94bd2ebbd89b8f21d1f61
+	GoogleComputeEngine *emptypb.Empty `protobuf:"bytes,2,opt,name=google_compute_engine,json=googleComputeEngine,proto3,oneof"`
+}
+
+type GrpcService_GoogleGrpc_CallCredentials_GoogleRefreshToken struct {
+	// Google refresh token credentials.
+	// https://grpc.io/grpc/cpp/namespacegrpc.html#a96901c997b91bc6513b08491e0dca37c.
+	GoogleRefreshToken string `protobuf:"bytes,3,opt,name=google_refresh_token,json=googleRefreshToken,proto3,oneof"`
+}
+
+type GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJwtAccess struct {
+	// Service Account JWT Access credentials.
+	// https://grpc.io/grpc/cpp/namespacegrpc.html#a92a9f959d6102461f66ee973d8e9d3aa.
+	ServiceAccountJwtAccess *GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJWTAccessCredentials `protobuf:"bytes,4,opt,name=service_account_jwt_access,json=serviceAccountJwtAccess,proto3,oneof"`
+}
+
+type GrpcService_GoogleGrpc_CallCredentials_GoogleIam struct {
+	// Google IAM credentials.
+	// https://grpc.io/grpc/cpp/namespacegrpc.html#a9fc1fc101b41e680d47028166e76f9d0.
+	GoogleIam *GrpcService_GoogleGrpc_CallCredentials_GoogleIAMCredentials `protobuf:"bytes,5,opt,name=google_iam,json=googleIam,proto3,oneof"`
+}
+
+type GrpcService_GoogleGrpc_CallCredentials_FromPlugin struct {
+	// Custom authenticator credentials.
+	// https://grpc.io/grpc/cpp/namespacegrpc.html#a823c6a4b19ffc71fb33e90154ee2ad07.
+	// https://grpc.io/docs/guides/auth.html#extending-grpc-to-support-other-authentication-mechanisms.
+	FromPlugin *GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin `protobuf:"bytes,6,opt,name=from_plugin,json=fromPlugin,proto3,oneof"`
+}
+
+type GrpcService_GoogleGrpc_CallCredentials_StsService_ struct {
+	// Custom security token service which implements OAuth 2.0 token exchange.
+	// https://tools.ietf.org/html/draft-ietf-oauth-token-exchange-16
+	// See https://github.com/grpc/grpc/pull/19587.
+	StsService *GrpcService_GoogleGrpc_CallCredentials_StsService `protobuf:"bytes,7,opt,name=sts_service,json=stsService,proto3,oneof"`
+}
+
+func (*GrpcService_GoogleGrpc_CallCredentials_AccessToken) isGrpcService_GoogleGrpc_CallCredentials_CredentialSpecifier() {
+}
+
+func (*GrpcService_GoogleGrpc_CallCredentials_GoogleComputeEngine) isGrpcService_GoogleGrpc_CallCredentials_CredentialSpecifier() {
+}
+
+func (*GrpcService_GoogleGrpc_CallCredentials_GoogleRefreshToken) isGrpcService_GoogleGrpc_CallCredentials_CredentialSpecifier() {
+}
+
+func (*GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJwtAccess) isGrpcService_GoogleGrpc_CallCredentials_CredentialSpecifier() {
+}
+
+func (*GrpcService_GoogleGrpc_CallCredentials_GoogleIam) isGrpcService_GoogleGrpc_CallCredentials_CredentialSpecifier() {
+}
+
+func (*GrpcService_GoogleGrpc_CallCredentials_FromPlugin) isGrpcService_GoogleGrpc_CallCredentials_CredentialSpecifier() {
+}
+
+func (*GrpcService_GoogleGrpc_CallCredentials_StsService_) isGrpcService_GoogleGrpc_CallCredentials_CredentialSpecifier() {
+}
+
+type GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJWTAccessCredentials struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	JsonKey              string `protobuf:"bytes,1,opt,name=json_key,json=jsonKey,proto3" json:"json_key,omitempty"`
+	TokenLifetimeSeconds uint64 `protobuf:"varint,2,opt,name=token_lifetime_seconds,json=tokenLifetimeSeconds,proto3" json:"token_lifetime_seconds,omitempty"`
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJWTAccessCredentials) Reset() {
+	*x = GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJWTAccessCredentials{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJWTAccessCredentials) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJWTAccessCredentials) ProtoMessage() {}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJWTAccessCredentials) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJWTAccessCredentials.ProtoReflect.Descriptor instead.
+func (*GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJWTAccessCredentials) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_grpc_service_proto_rawDescGZIP(), []int{0, 1, 3, 0}
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJWTAccessCredentials) GetJsonKey() string {
+	if x != nil {
+		return x.JsonKey
+	}
+	return ""
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJWTAccessCredentials) GetTokenLifetimeSeconds() uint64 {
+	if x != nil {
+		return x.TokenLifetimeSeconds
+	}
+	return 0
+}
+
+type GrpcService_GoogleGrpc_CallCredentials_GoogleIAMCredentials struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	AuthorizationToken string `protobuf:"bytes,1,opt,name=authorization_token,json=authorizationToken,proto3" json:"authorization_token,omitempty"`
+	AuthoritySelector  string `protobuf:"bytes,2,opt,name=authority_selector,json=authoritySelector,proto3" json:"authority_selector,omitempty"`
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_GoogleIAMCredentials) Reset() {
+	*x = GrpcService_GoogleGrpc_CallCredentials_GoogleIAMCredentials{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_GoogleIAMCredentials) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcService_GoogleGrpc_CallCredentials_GoogleIAMCredentials) ProtoMessage() {}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_GoogleIAMCredentials) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcService_GoogleGrpc_CallCredentials_GoogleIAMCredentials.ProtoReflect.Descriptor instead.
+func (*GrpcService_GoogleGrpc_CallCredentials_GoogleIAMCredentials) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_grpc_service_proto_rawDescGZIP(), []int{0, 1, 3, 1}
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_GoogleIAMCredentials) GetAuthorizationToken() string {
+	if x != nil {
+		return x.AuthorizationToken
+	}
+	return ""
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_GoogleIAMCredentials) GetAuthoritySelector() string {
+	if x != nil {
+		return x.AuthoritySelector
+	}
+	return ""
+}
+
+type GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// Types that are assignable to ConfigType:
+	//	*GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_Config
+	//	*GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_TypedConfig
+	ConfigType isGrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_ConfigType `protobuf_oneof:"config_type"`
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin) Reset() {
+	*x = GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin) ProtoMessage() {}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[9]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin.ProtoReflect.Descriptor instead.
+func (*GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_grpc_service_proto_rawDescGZIP(), []int{0, 1, 3, 2}
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (m *GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin) GetConfigType() isGrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_ConfigType {
+	if m != nil {
+		return m.ConfigType
+	}
+	return nil
+}
+
+// Deprecated: Do not use.
+func (x *GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin) GetConfig() *structpb.Struct {
+	if x, ok := x.GetConfigType().(*GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_Config); ok {
+		return x.Config
+	}
+	return nil
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin) GetTypedConfig() *anypb.Any {
+	if x, ok := x.GetConfigType().(*GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_TypedConfig); ok {
+		return x.TypedConfig
+	}
+	return nil
+}
+
+type isGrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_ConfigType interface {
+	isGrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_ConfigType()
+}
+
+type GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_Config struct {
+	// Deprecated: Do not use.
+	Config *structpb.Struct `protobuf:"bytes,2,opt,name=config,proto3,oneof"`
+}
+
+type GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_TypedConfig struct {
+	TypedConfig *anypb.Any `protobuf:"bytes,3,opt,name=typed_config,json=typedConfig,proto3,oneof"`
+}
+
+func (*GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_Config) isGrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_ConfigType() {
+}
+
+func (*GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_TypedConfig) isGrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_ConfigType() {
+}
+
+// Security token service configuration that allows Google gRPC to
+// fetch security token from an OAuth 2.0 authorization server.
+// See https://tools.ietf.org/html/draft-ietf-oauth-token-exchange-16 and
+// https://github.com/grpc/grpc/pull/19587.
+// [#next-free-field: 10]
+type GrpcService_GoogleGrpc_CallCredentials_StsService struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// URI of the token exchange service that handles token exchange requests.
+	// [#comment:TODO(asraa): Add URI validation when implemented. Tracked by
+	// https://github.com/envoyproxy/protoc-gen-validate/issues/303]
+	TokenExchangeServiceUri string `protobuf:"bytes,1,opt,name=token_exchange_service_uri,json=tokenExchangeServiceUri,proto3" json:"token_exchange_service_uri,omitempty"`
+	// Location of the target service or resource where the client
+	// intends to use the requested security token.
+	Resource string `protobuf:"bytes,2,opt,name=resource,proto3" json:"resource,omitempty"`
+	// Logical name of the target service where the client intends to
+	// use the requested security token.
+	Audience string `protobuf:"bytes,3,opt,name=audience,proto3" json:"audience,omitempty"`
+	// The desired scope of the requested security token in the
+	// context of the service or resource where the token will be used.
+	Scope string `protobuf:"bytes,4,opt,name=scope,proto3" json:"scope,omitempty"`
+	// Type of the requested security token.
+	RequestedTokenType string `protobuf:"bytes,5,opt,name=requested_token_type,json=requestedTokenType,proto3" json:"requested_token_type,omitempty"`
+	// The path of subject token, a security token that represents the
+	// identity of the party on behalf of whom the request is being made.
+	SubjectTokenPath string `protobuf:"bytes,6,opt,name=subject_token_path,json=subjectTokenPath,proto3" json:"subject_token_path,omitempty"`
+	// Type of the subject token.
+	SubjectTokenType string `protobuf:"bytes,7,opt,name=subject_token_type,json=subjectTokenType,proto3" json:"subject_token_type,omitempty"`
+	// The path of actor token, a security token that represents the identity
+	// of the acting party. The acting party is authorized to use the
+	// requested security token and act on behalf of the subject.
+	ActorTokenPath string `protobuf:"bytes,8,opt,name=actor_token_path,json=actorTokenPath,proto3" json:"actor_token_path,omitempty"`
+	// Type of the actor token.
+	ActorTokenType string `protobuf:"bytes,9,opt,name=actor_token_type,json=actorTokenType,proto3" json:"actor_token_type,omitempty"`
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_StsService) Reset() {
+	*x = GrpcService_GoogleGrpc_CallCredentials_StsService{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_StsService) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GrpcService_GoogleGrpc_CallCredentials_StsService) ProtoMessage() {}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_StsService) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_grpc_service_proto_msgTypes[10]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GrpcService_GoogleGrpc_CallCredentials_StsService.ProtoReflect.Descriptor instead.
+func (*GrpcService_GoogleGrpc_CallCredentials_StsService) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_grpc_service_proto_rawDescGZIP(), []int{0, 1, 3, 3}
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_StsService) GetTokenExchangeServiceUri() string {
+	if x != nil {
+		return x.TokenExchangeServiceUri
+	}
+	return ""
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_StsService) GetResource() string {
+	if x != nil {
+		return x.Resource
+	}
+	return ""
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_StsService) GetAudience() string {
+	if x != nil {
+		return x.Audience
+	}
+	return ""
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_StsService) GetScope() string {
+	if x != nil {
+		return x.Scope
+	}
+	return ""
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_StsService) GetRequestedTokenType() string {
+	if x != nil {
+		return x.RequestedTokenType
+	}
+	return ""
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_StsService) GetSubjectTokenPath() string {
+	if x != nil {
+		return x.SubjectTokenPath
+	}
+	return ""
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_StsService) GetSubjectTokenType() string {
+	if x != nil {
+		return x.SubjectTokenType
+	}
+	return ""
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_StsService) GetActorTokenPath() string {
+	if x != nil {
+		return x.ActorTokenPath
+	}
+	return ""
+}
+
+func (x *GrpcService_GoogleGrpc_CallCredentials_StsService) GetActorTokenType() string {
+	if x != nil {
+		return x.ActorTokenType
+	}
+	return ""
+}
+
+var File_envoy_api_v2_core_grpc_service_proto protoreflect.FileDescriptor
+
+var file_envoy_api_v2_core_grpc_service_proto_rawDesc = []byte{
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+}
+
+var (
+	file_envoy_api_v2_core_grpc_service_proto_rawDescOnce sync.Once
+	file_envoy_api_v2_core_grpc_service_proto_rawDescData = file_envoy_api_v2_core_grpc_service_proto_rawDesc
+)
+
+func file_envoy_api_v2_core_grpc_service_proto_rawDescGZIP() []byte {
+	file_envoy_api_v2_core_grpc_service_proto_rawDescOnce.Do(func() {
+		file_envoy_api_v2_core_grpc_service_proto_rawDescData = protoimpl.X.CompressGZIP(file_envoy_api_v2_core_grpc_service_proto_rawDescData)
+	})
+	return file_envoy_api_v2_core_grpc_service_proto_rawDescData
+}
+
+var file_envoy_api_v2_core_grpc_service_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
+var file_envoy_api_v2_core_grpc_service_proto_goTypes = []interface{}{
+	(*GrpcService)(nil),                                                               // 0: envoy.api.v2.core.GrpcService
+	(*GrpcService_EnvoyGrpc)(nil),                                                     // 1: envoy.api.v2.core.GrpcService.EnvoyGrpc
+	(*GrpcService_GoogleGrpc)(nil),                                                    // 2: envoy.api.v2.core.GrpcService.GoogleGrpc
+	(*GrpcService_GoogleGrpc_SslCredentials)(nil),                                     // 3: envoy.api.v2.core.GrpcService.GoogleGrpc.SslCredentials
+	(*GrpcService_GoogleGrpc_GoogleLocalCredentials)(nil),                             // 4: envoy.api.v2.core.GrpcService.GoogleGrpc.GoogleLocalCredentials
+	(*GrpcService_GoogleGrpc_ChannelCredentials)(nil),                                 // 5: envoy.api.v2.core.GrpcService.GoogleGrpc.ChannelCredentials
+	(*GrpcService_GoogleGrpc_CallCredentials)(nil),                                    // 6: envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials
+	(*GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJWTAccessCredentials)(nil), // 7: envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials.ServiceAccountJWTAccessCredentials
+	(*GrpcService_GoogleGrpc_CallCredentials_GoogleIAMCredentials)(nil),               // 8: envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials.GoogleIAMCredentials
+	(*GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin)(nil),      // 9: envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials.MetadataCredentialsFromPlugin
+	(*GrpcService_GoogleGrpc_CallCredentials_StsService)(nil),                         // 10: envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials.StsService
+	(*durationpb.Duration)(nil),                                                       // 11: google.protobuf.Duration
+	(*HeaderValue)(nil),                                                               // 12: envoy.api.v2.core.HeaderValue
+	(*structpb.Struct)(nil),                                                           // 13: google.protobuf.Struct
+	(*DataSource)(nil),                                                                // 14: envoy.api.v2.core.DataSource
+	(*emptypb.Empty)(nil),                                                             // 15: google.protobuf.Empty
+	(*anypb.Any)(nil),                                                                 // 16: google.protobuf.Any
+}
+var file_envoy_api_v2_core_grpc_service_proto_depIdxs = []int32{
+	1,  // 0: envoy.api.v2.core.GrpcService.envoy_grpc:type_name -> envoy.api.v2.core.GrpcService.EnvoyGrpc
+	2,  // 1: envoy.api.v2.core.GrpcService.google_grpc:type_name -> envoy.api.v2.core.GrpcService.GoogleGrpc
+	11, // 2: envoy.api.v2.core.GrpcService.timeout:type_name -> google.protobuf.Duration
+	12, // 3: envoy.api.v2.core.GrpcService.initial_metadata:type_name -> envoy.api.v2.core.HeaderValue
+	5,  // 4: envoy.api.v2.core.GrpcService.GoogleGrpc.channel_credentials:type_name -> envoy.api.v2.core.GrpcService.GoogleGrpc.ChannelCredentials
+	6,  // 5: envoy.api.v2.core.GrpcService.GoogleGrpc.call_credentials:type_name -> envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials
+	13, // 6: envoy.api.v2.core.GrpcService.GoogleGrpc.config:type_name -> google.protobuf.Struct
+	14, // 7: envoy.api.v2.core.GrpcService.GoogleGrpc.SslCredentials.root_certs:type_name -> envoy.api.v2.core.DataSource
+	14, // 8: envoy.api.v2.core.GrpcService.GoogleGrpc.SslCredentials.private_key:type_name -> envoy.api.v2.core.DataSource
+	14, // 9: envoy.api.v2.core.GrpcService.GoogleGrpc.SslCredentials.cert_chain:type_name -> envoy.api.v2.core.DataSource
+	3,  // 10: envoy.api.v2.core.GrpcService.GoogleGrpc.ChannelCredentials.ssl_credentials:type_name -> envoy.api.v2.core.GrpcService.GoogleGrpc.SslCredentials
+	15, // 11: envoy.api.v2.core.GrpcService.GoogleGrpc.ChannelCredentials.google_default:type_name -> google.protobuf.Empty
+	4,  // 12: envoy.api.v2.core.GrpcService.GoogleGrpc.ChannelCredentials.local_credentials:type_name -> envoy.api.v2.core.GrpcService.GoogleGrpc.GoogleLocalCredentials
+	15, // 13: envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials.google_compute_engine:type_name -> google.protobuf.Empty
+	7,  // 14: envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials.service_account_jwt_access:type_name -> envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials.ServiceAccountJWTAccessCredentials
+	8,  // 15: envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials.google_iam:type_name -> envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials.GoogleIAMCredentials
+	9,  // 16: envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials.from_plugin:type_name -> envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials.MetadataCredentialsFromPlugin
+	10, // 17: envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials.sts_service:type_name -> envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials.StsService
+	13, // 18: envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials.MetadataCredentialsFromPlugin.config:type_name -> google.protobuf.Struct
+	16, // 19: envoy.api.v2.core.GrpcService.GoogleGrpc.CallCredentials.MetadataCredentialsFromPlugin.typed_config:type_name -> google.protobuf.Any
+	20, // [20:20] is the sub-list for method output_type
+	20, // [20:20] is the sub-list for method input_type
+	20, // [20:20] is the sub-list for extension type_name
+	20, // [20:20] is the sub-list for extension extendee
+	0,  // [0:20] is the sub-list for field type_name
+}
+
+func init() { file_envoy_api_v2_core_grpc_service_proto_init() }
+func file_envoy_api_v2_core_grpc_service_proto_init() {
+	if File_envoy_api_v2_core_grpc_service_proto != nil {
+		return
+	}
+	file_envoy_api_v2_core_base_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_envoy_api_v2_core_grpc_service_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GrpcService); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_grpc_service_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GrpcService_EnvoyGrpc); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_grpc_service_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GrpcService_GoogleGrpc); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_grpc_service_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GrpcService_GoogleGrpc_SslCredentials); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_grpc_service_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GrpcService_GoogleGrpc_GoogleLocalCredentials); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_grpc_service_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GrpcService_GoogleGrpc_ChannelCredentials); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_grpc_service_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GrpcService_GoogleGrpc_CallCredentials); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_grpc_service_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJWTAccessCredentials); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_grpc_service_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GrpcService_GoogleGrpc_CallCredentials_GoogleIAMCredentials); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_grpc_service_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_api_v2_core_grpc_service_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GrpcService_GoogleGrpc_CallCredentials_StsService); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_envoy_api_v2_core_grpc_service_proto_msgTypes[0].OneofWrappers = []interface{}{
+		(*GrpcService_EnvoyGrpc_)(nil),
+		(*GrpcService_GoogleGrpc_)(nil),
+	}
+	file_envoy_api_v2_core_grpc_service_proto_msgTypes[5].OneofWrappers = []interface{}{
+		(*GrpcService_GoogleGrpc_ChannelCredentials_SslCredentials)(nil),
+		(*GrpcService_GoogleGrpc_ChannelCredentials_GoogleDefault)(nil),
+		(*GrpcService_GoogleGrpc_ChannelCredentials_LocalCredentials)(nil),
+	}
+	file_envoy_api_v2_core_grpc_service_proto_msgTypes[6].OneofWrappers = []interface{}{
+		(*GrpcService_GoogleGrpc_CallCredentials_AccessToken)(nil),
+		(*GrpcService_GoogleGrpc_CallCredentials_GoogleComputeEngine)(nil),
+		(*GrpcService_GoogleGrpc_CallCredentials_GoogleRefreshToken)(nil),
+		(*GrpcService_GoogleGrpc_CallCredentials_ServiceAccountJwtAccess)(nil),
+		(*GrpcService_GoogleGrpc_CallCredentials_GoogleIam)(nil),
+		(*GrpcService_GoogleGrpc_CallCredentials_FromPlugin)(nil),
+		(*GrpcService_GoogleGrpc_CallCredentials_StsService_)(nil),
+	}
+	file_envoy_api_v2_core_grpc_service_proto_msgTypes[9].OneofWrappers = []interface{}{
+		(*GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_Config)(nil),
+		(*GrpcService_GoogleGrpc_CallCredentials_MetadataCredentialsFromPlugin_TypedConfig)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_envoy_api_v2_core_grpc_service_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   11,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_envoy_api_v2_core_grpc_service_proto_goTypes,
+		DependencyIndexes: file_envoy_api_v2_core_grpc_service_proto_depIdxs,
+		MessageInfos:      file_envoy_api_v2_core_grpc_service_proto_msgTypes,
+	}.Build()
+	File_envoy_api_v2_core_grpc_service_proto = out.File
+	file_envoy_api_v2_core_grpc_service_proto_rawDesc = nil
+	file_envoy_api_v2_core_grpc_service_proto_goTypes = nil
+	file_envoy_api_v2_core_grpc_service_proto_depIdxs = nil
+}
diff --git a/proto/envoy/api/v2/core/http_uri.pb.go b/proto/envoy/api/v2/core/http_uri.pb.go
new file mode 100644
index 0000000..f03c87d
--- /dev/null
+++ b/proto/envoy/api/v2/core/http_uri.pb.go
@@ -0,0 +1,231 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.14.0
+// source: envoy/api/v2/core/http_uri.proto
+
+package core
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	durationpb "google.golang.org/protobuf/types/known/durationpb"
+	reflect "reflect"
+	_ "skywalking.apache.org/repo/goapi/proto/udpa/annotations"
+	_ "skywalking.apache.org/repo/goapi/proto/validate"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Envoy external URI descriptor
+type HttpUri struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The HTTP server URI. It should be a full FQDN with protocol, host and path.
+	//
+	// Example:
+	//
+	// .. code-block:: yaml
+	//
+	//    uri: https://www.googleapis.com/oauth2/v1/certs
+	//
+	Uri string `protobuf:"bytes,1,opt,name=uri,proto3" json:"uri,omitempty"`
+	// Specify how `uri` is to be fetched. Today, this requires an explicit
+	// cluster, but in the future we may support dynamic cluster creation or
+	// inline DNS resolution. See `issue
+	// <https://github.com/envoyproxy/envoy/issues/1606>`_.
+	//
+	// Types that are assignable to HttpUpstreamType:
+	//	*HttpUri_Cluster
+	HttpUpstreamType isHttpUri_HttpUpstreamType `protobuf_oneof:"http_upstream_type"`
+	// Sets the maximum duration in milliseconds that a response can take to arrive upon request.
+	Timeout *durationpb.Duration `protobuf:"bytes,3,opt,name=timeout,proto3" json:"timeout,omitempty"`
+}
+
+func (x *HttpUri) Reset() {
+	*x = HttpUri{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_http_uri_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HttpUri) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HttpUri) ProtoMessage() {}
+
+func (x *HttpUri) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_http_uri_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HttpUri.ProtoReflect.Descriptor instead.
+func (*HttpUri) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_http_uri_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *HttpUri) GetUri() string {
+	if x != nil {
+		return x.Uri
+	}
+	return ""
+}
+
+func (m *HttpUri) GetHttpUpstreamType() isHttpUri_HttpUpstreamType {
+	if m != nil {
+		return m.HttpUpstreamType
+	}
+	return nil
+}
+
+func (x *HttpUri) GetCluster() string {
+	if x, ok := x.GetHttpUpstreamType().(*HttpUri_Cluster); ok {
+		return x.Cluster
+	}
+	return ""
+}
+
+func (x *HttpUri) GetTimeout() *durationpb.Duration {
+	if x != nil {
+		return x.Timeout
+	}
+	return nil
+}
+
+type isHttpUri_HttpUpstreamType interface {
+	isHttpUri_HttpUpstreamType()
+}
+
+type HttpUri_Cluster struct {
+	// A cluster is created in the Envoy "cluster_manager" config
+	// section. This field specifies the cluster name.
+	//
+	// Example:
+	//
+	// .. code-block:: yaml
+	//
+	//    cluster: jwks_cluster
+	//
+	Cluster string `protobuf:"bytes,2,opt,name=cluster,proto3,oneof"`
+}
+
+func (*HttpUri_Cluster) isHttpUri_HttpUpstreamType() {}
+
+var File_envoy_api_v2_core_http_uri_proto protoreflect.FileDescriptor
+
+var file_envoy_api_v2_core_http_uri_proto_rawDesc = []byte{
+	0x0a, 0x20, 0x65, 0x6e, 0x76, 0x6f, 0x79, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x32, 0x2f, 0x63,
+	0x6f, 0x72, 0x65, 0x2f, 0x68, 0x74, 0x74, 0x70, 0x5f, 0x75, 0x72, 0x69, 0x2e, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x12, 0x11, 0x65, 0x6e, 0x76, 0x6f, 0x79, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x76, 0x32,
+	0x2e, 0x63, 0x6f, 0x72, 0x65, 0x1a, 0x1e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2e,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x1e, 0x75, 0x64, 0x70, 0x61, 0x2f, 0x61, 0x6e, 0x6e, 0x6f,
+	0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x2f, 0x6d, 0x69, 0x67, 0x72, 0x61, 0x74, 0x65, 0x2e,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x1d, 0x75, 0x64, 0x70, 0x61, 0x2f, 0x61, 0x6e, 0x6e, 0x6f,
+	0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x2f, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x2e, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x17, 0x76, 0x61, 0x6c, 0x69, 0x64, 0x61, 0x74, 0x65, 0x2f, 0x76,
+	0x61, 0x6c, 0x69, 0x64, 0x61, 0x74, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xa5, 0x01,
+	0x0a, 0x07, 0x48, 0x74, 0x74, 0x70, 0x55, 0x72, 0x69, 0x12, 0x19, 0x0a, 0x03, 0x75, 0x72, 0x69,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x42, 0x07, 0xfa, 0x42, 0x04, 0x72, 0x02, 0x20, 0x01, 0x52,
+	0x03, 0x75, 0x72, 0x69, 0x12, 0x23, 0x0a, 0x07, 0x63, 0x6c, 0x75, 0x73, 0x74, 0x65, 0x72, 0x18,
+	0x02, 0x20, 0x01, 0x28, 0x09, 0x42, 0x07, 0xfa, 0x42, 0x04, 0x72, 0x02, 0x20, 0x01, 0x48, 0x00,
+	0x52, 0x07, 0x63, 0x6c, 0x75, 0x73, 0x74, 0x65, 0x72, 0x12, 0x3f, 0x0a, 0x07, 0x74, 0x69, 0x6d,
+	0x65, 0x6f, 0x75, 0x74, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x19, 0x2e, 0x67, 0x6f, 0x6f,
+	0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x44, 0x75, 0x72,
+	0x61, 0x74, 0x69, 0x6f, 0x6e, 0x42, 0x0a, 0xfa, 0x42, 0x07, 0xaa, 0x01, 0x04, 0x08, 0x01, 0x32,
+	0x00, 0x52, 0x07, 0x74, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x42, 0x19, 0x0a, 0x12, 0x68, 0x74,
+	0x74, 0x70, 0x5f, 0x75, 0x70, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x5f, 0x74, 0x79, 0x70, 0x65,
+	0x12, 0x03, 0xf8, 0x42, 0x01, 0x42, 0x55, 0x0a, 0x1f, 0x69, 0x6f, 0x2e, 0x65, 0x6e, 0x76, 0x6f,
+	0x79, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x65, 0x6e, 0x76, 0x6f, 0x79, 0x2e, 0x61, 0x70, 0x69,
+	0x2e, 0x76, 0x32, 0x2e, 0x63, 0x6f, 0x72, 0x65, 0x42, 0x0c, 0x48, 0x74, 0x74, 0x70, 0x55, 0x72,
+	0x69, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0xf2, 0x98, 0xfe, 0x8f, 0x05, 0x16, 0x12, 0x14,
+	0x65, 0x6e, 0x76, 0x6f, 0x79, 0x2e, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x63, 0x6f, 0x72,
+	0x65, 0x2e, 0x76, 0x33, 0xba, 0x80, 0xc8, 0xd1, 0x06, 0x02, 0x10, 0x01, 0x62, 0x06, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_envoy_api_v2_core_http_uri_proto_rawDescOnce sync.Once
+	file_envoy_api_v2_core_http_uri_proto_rawDescData = file_envoy_api_v2_core_http_uri_proto_rawDesc
+)
+
+func file_envoy_api_v2_core_http_uri_proto_rawDescGZIP() []byte {
+	file_envoy_api_v2_core_http_uri_proto_rawDescOnce.Do(func() {
+		file_envoy_api_v2_core_http_uri_proto_rawDescData = protoimpl.X.CompressGZIP(file_envoy_api_v2_core_http_uri_proto_rawDescData)
+	})
+	return file_envoy_api_v2_core_http_uri_proto_rawDescData
+}
+
+var file_envoy_api_v2_core_http_uri_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_envoy_api_v2_core_http_uri_proto_goTypes = []interface{}{
+	(*HttpUri)(nil),             // 0: envoy.api.v2.core.HttpUri
+	(*durationpb.Duration)(nil), // 1: google.protobuf.Duration
+}
+var file_envoy_api_v2_core_http_uri_proto_depIdxs = []int32{
+	1, // 0: envoy.api.v2.core.HttpUri.timeout:type_name -> google.protobuf.Duration
+	1, // [1:1] is the sub-list for method output_type
+	1, // [1:1] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_envoy_api_v2_core_http_uri_proto_init() }
+func file_envoy_api_v2_core_http_uri_proto_init() {
+	if File_envoy_api_v2_core_http_uri_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_envoy_api_v2_core_http_uri_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*HttpUri); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_envoy_api_v2_core_http_uri_proto_msgTypes[0].OneofWrappers = []interface{}{
+		(*HttpUri_Cluster)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_envoy_api_v2_core_http_uri_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_envoy_api_v2_core_http_uri_proto_goTypes,
+		DependencyIndexes: file_envoy_api_v2_core_http_uri_proto_depIdxs,
+		MessageInfos:      file_envoy_api_v2_core_http_uri_proto_msgTypes,
+	}.Build()
+	File_envoy_api_v2_core_http_uri_proto = out.File
+	file_envoy_api_v2_core_http_uri_proto_rawDesc = nil
+	file_envoy_api_v2_core_http_uri_proto_goTypes = nil
+	file_envoy_api_v2_core_http_uri_proto_depIdxs = nil
+}
diff --git a/proto/envoy/api/v2/core/socket_option.pb.go b/proto/envoy/api/v2/core/socket_option.pb.go
new file mode 100644
index 0000000..7fef9ee
--- /dev/null
+++ b/proto/envoy/api/v2/core/socket_option.pb.go
@@ -0,0 +1,310 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.14.0
+// source: envoy/api/v2/core/socket_option.proto
+
+package core
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	_ "skywalking.apache.org/repo/goapi/proto/udpa/annotations"
+	_ "skywalking.apache.org/repo/goapi/proto/validate"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type SocketOption_SocketState int32
+
+const (
+	// Socket options are applied after socket creation but before binding the socket to a port
+	SocketOption_STATE_PREBIND SocketOption_SocketState = 0
+	// Socket options are applied after binding the socket to a port but before calling listen()
+	SocketOption_STATE_BOUND SocketOption_SocketState = 1
+	// Socket options are applied after calling listen()
+	SocketOption_STATE_LISTENING SocketOption_SocketState = 2
+)
+
+// Enum value maps for SocketOption_SocketState.
+var (
+	SocketOption_SocketState_name = map[int32]string{
+		0: "STATE_PREBIND",
+		1: "STATE_BOUND",
+		2: "STATE_LISTENING",
+	}
+	SocketOption_SocketState_value = map[string]int32{
+		"STATE_PREBIND":   0,
+		"STATE_BOUND":     1,
+		"STATE_LISTENING": 2,
+	}
+)
+
+func (x SocketOption_SocketState) Enum() *SocketOption_SocketState {
+	p := new(SocketOption_SocketState)
+	*p = x
+	return p
+}
+
+func (x SocketOption_SocketState) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (SocketOption_SocketState) Descriptor() protoreflect.EnumDescriptor {
+	return file_envoy_api_v2_core_socket_option_proto_enumTypes[0].Descriptor()
+}
+
+func (SocketOption_SocketState) Type() protoreflect.EnumType {
+	return &file_envoy_api_v2_core_socket_option_proto_enumTypes[0]
+}
+
+func (x SocketOption_SocketState) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use SocketOption_SocketState.Descriptor instead.
+func (SocketOption_SocketState) EnumDescriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_socket_option_proto_rawDescGZIP(), []int{0, 0}
+}
+
+// Generic socket option message. This would be used to set socket options that
+// might not exist in upstream kernels or precompiled Envoy binaries.
+// [#next-free-field: 7]
+type SocketOption struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// An optional name to give this socket option for debugging, etc.
+	// Uniqueness is not required and no special meaning is assumed.
+	Description string `protobuf:"bytes,1,opt,name=description,proto3" json:"description,omitempty"`
+	// Corresponding to the level value passed to setsockopt, such as IPPROTO_TCP
+	Level int64 `protobuf:"varint,2,opt,name=level,proto3" json:"level,omitempty"`
+	// The numeric name as passed to setsockopt
+	Name int64 `protobuf:"varint,3,opt,name=name,proto3" json:"name,omitempty"`
+	// Types that are assignable to Value:
+	//	*SocketOption_IntValue
+	//	*SocketOption_BufValue
+	Value isSocketOption_Value `protobuf_oneof:"value"`
+	// The state in which the option will be applied. When used in BindConfig
+	// STATE_PREBIND is currently the only valid value.
+	State SocketOption_SocketState `protobuf:"varint,6,opt,name=state,proto3,enum=envoy.api.v2.core.SocketOption_SocketState" json:"state,omitempty"`
+}
+
+func (x *SocketOption) Reset() {
+	*x = SocketOption{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_api_v2_core_socket_option_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SocketOption) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SocketOption) ProtoMessage() {}
+
+func (x *SocketOption) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_api_v2_core_socket_option_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SocketOption.ProtoReflect.Descriptor instead.
+func (*SocketOption) Descriptor() ([]byte, []int) {
+	return file_envoy_api_v2_core_socket_option_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *SocketOption) GetDescription() string {
+	if x != nil {
+		return x.Description
+	}
+	return ""
+}
+
+func (x *SocketOption) GetLevel() int64 {
+	if x != nil {
+		return x.Level
+	}
+	return 0
+}
+
+func (x *SocketOption) GetName() int64 {
+	if x != nil {
+		return x.Name
+	}
+	return 0
+}
+
+func (m *SocketOption) GetValue() isSocketOption_Value {
+	if m != nil {
+		return m.Value
+	}
+	return nil
+}
+
+func (x *SocketOption) GetIntValue() int64 {
+	if x, ok := x.GetValue().(*SocketOption_IntValue); ok {
+		return x.IntValue
+	}
+	return 0
+}
+
+func (x *SocketOption) GetBufValue() []byte {
+	if x, ok := x.GetValue().(*SocketOption_BufValue); ok {
+		return x.BufValue
+	}
+	return nil
+}
+
+func (x *SocketOption) GetState() SocketOption_SocketState {
+	if x != nil {
+		return x.State
+	}
+	return SocketOption_STATE_PREBIND
+}
+
+type isSocketOption_Value interface {
+	isSocketOption_Value()
+}
+
+type SocketOption_IntValue struct {
+	// Because many sockopts take an int value.
+	IntValue int64 `protobuf:"varint,4,opt,name=int_value,json=intValue,proto3,oneof"`
+}
+
+type SocketOption_BufValue struct {
+	// Otherwise it's a byte buffer.
+	BufValue []byte `protobuf:"bytes,5,opt,name=buf_value,json=bufValue,proto3,oneof"`
+}
+
+func (*SocketOption_IntValue) isSocketOption_Value() {}
+
+func (*SocketOption_BufValue) isSocketOption_Value() {}
+
+var File_envoy_api_v2_core_socket_option_proto protoreflect.FileDescriptor
+
+var file_envoy_api_v2_core_socket_option_proto_rawDesc = []byte{
+	0x0a, 0x25, 0x65, 0x6e, 0x76, 0x6f, 0x79, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x32, 0x2f, 0x63,
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+	0x63, 0x6b, 0x65, 0x74, 0x53, 0x74, 0x61, 0x74, 0x65, 0x42, 0x08, 0xfa, 0x42, 0x05, 0x82, 0x01,
+	0x02, 0x10, 0x01, 0x52, 0x05, 0x73, 0x74, 0x61, 0x74, 0x65, 0x22, 0x46, 0x0a, 0x0b, 0x53, 0x6f,
+	0x63, 0x6b, 0x65, 0x74, 0x53, 0x74, 0x61, 0x74, 0x65, 0x12, 0x11, 0x0a, 0x0d, 0x53, 0x54, 0x41,
+	0x54, 0x45, 0x5f, 0x50, 0x52, 0x45, 0x42, 0x49, 0x4e, 0x44, 0x10, 0x00, 0x12, 0x0f, 0x0a, 0x0b,
+	0x53, 0x54, 0x41, 0x54, 0x45, 0x5f, 0x42, 0x4f, 0x55, 0x4e, 0x44, 0x10, 0x01, 0x12, 0x13, 0x0a,
+	0x0f, 0x53, 0x54, 0x41, 0x54, 0x45, 0x5f, 0x4c, 0x49, 0x53, 0x54, 0x45, 0x4e, 0x49, 0x4e, 0x47,
+	0x10, 0x02, 0x42, 0x0c, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x12, 0x03, 0xf8, 0x42, 0x01,
+	0x42, 0x5a, 0x0a, 0x1f, 0x69, 0x6f, 0x2e, 0x65, 0x6e, 0x76, 0x6f, 0x79, 0x70, 0x72, 0x6f, 0x78,
+	0x79, 0x2e, 0x65, 0x6e, 0x76, 0x6f, 0x79, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x76, 0x32, 0x2e, 0x63,
+	0x6f, 0x72, 0x65, 0x42, 0x11, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x4f, 0x70, 0x74, 0x69, 0x6f,
+	0x6e, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0xf2, 0x98, 0xfe, 0x8f, 0x05, 0x16, 0x12, 0x14,
+	0x65, 0x6e, 0x76, 0x6f, 0x79, 0x2e, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x63, 0x6f, 0x72,
+	0x65, 0x2e, 0x76, 0x33, 0xba, 0x80, 0xc8, 0xd1, 0x06, 0x02, 0x10, 0x01, 0x62, 0x06, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_envoy_api_v2_core_socket_option_proto_rawDescOnce sync.Once
+	file_envoy_api_v2_core_socket_option_proto_rawDescData = file_envoy_api_v2_core_socket_option_proto_rawDesc
+)
+
+func file_envoy_api_v2_core_socket_option_proto_rawDescGZIP() []byte {
+	file_envoy_api_v2_core_socket_option_proto_rawDescOnce.Do(func() {
+		file_envoy_api_v2_core_socket_option_proto_rawDescData = protoimpl.X.CompressGZIP(file_envoy_api_v2_core_socket_option_proto_rawDescData)
+	})
+	return file_envoy_api_v2_core_socket_option_proto_rawDescData
+}
+
+var file_envoy_api_v2_core_socket_option_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_envoy_api_v2_core_socket_option_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_envoy_api_v2_core_socket_option_proto_goTypes = []interface{}{
+	(SocketOption_SocketState)(0), // 0: envoy.api.v2.core.SocketOption.SocketState
+	(*SocketOption)(nil),          // 1: envoy.api.v2.core.SocketOption
+}
+var file_envoy_api_v2_core_socket_option_proto_depIdxs = []int32{
+	0, // 0: envoy.api.v2.core.SocketOption.state:type_name -> envoy.api.v2.core.SocketOption.SocketState
+	1, // [1:1] is the sub-list for method output_type
+	1, // [1:1] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_envoy_api_v2_core_socket_option_proto_init() }
+func file_envoy_api_v2_core_socket_option_proto_init() {
+	if File_envoy_api_v2_core_socket_option_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_envoy_api_v2_core_socket_option_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SocketOption); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_envoy_api_v2_core_socket_option_proto_msgTypes[0].OneofWrappers = []interface{}{
+		(*SocketOption_IntValue)(nil),
+		(*SocketOption_BufValue)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_envoy_api_v2_core_socket_option_proto_rawDesc,
+			NumEnums:      1,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_envoy_api_v2_core_socket_option_proto_goTypes,
+		DependencyIndexes: file_envoy_api_v2_core_socket_option_proto_depIdxs,
+		EnumInfos:         file_envoy_api_v2_core_socket_option_proto_enumTypes,
+		MessageInfos:      file_envoy_api_v2_core_socket_option_proto_msgTypes,
+	}.Build()
+	File_envoy_api_v2_core_socket_option_proto = out.File
+	file_envoy_api_v2_core_socket_option_proto_rawDesc = nil
+	file_envoy_api_v2_core_socket_option_proto_goTypes = nil
+	file_envoy_api_v2_core_socket_option_proto_depIdxs = nil
+}
diff --git a/proto/envoy/config/core/v3/address.pb.go b/proto/envoy/config/core/v3/address.pb.go
new file mode 100644
index 0000000..3843e96
--- /dev/null
+++ b/proto/envoy/config/core/v3/address.pb.go
@@ -0,0 +1,931 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.14.0
+// source: envoy/config/core/v3/address.proto
+
+package v3
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	wrapperspb "google.golang.org/protobuf/types/known/wrapperspb"
+	reflect "reflect"
+	_ "skywalking.apache.org/repo/goapi/proto/udpa/annotations"
+	_ "skywalking.apache.org/repo/goapi/proto/validate"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type SocketAddress_Protocol int32
+
+const (
+	SocketAddress_TCP SocketAddress_Protocol = 0
+	SocketAddress_UDP SocketAddress_Protocol = 1
+)
+
+// Enum value maps for SocketAddress_Protocol.
+var (
+	SocketAddress_Protocol_name = map[int32]string{
+		0: "TCP",
+		1: "UDP",
+	}
+	SocketAddress_Protocol_value = map[string]int32{
+		"TCP": 0,
+		"UDP": 1,
+	}
+)
+
+func (x SocketAddress_Protocol) Enum() *SocketAddress_Protocol {
+	p := new(SocketAddress_Protocol)
+	*p = x
+	return p
+}
+
+func (x SocketAddress_Protocol) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (SocketAddress_Protocol) Descriptor() protoreflect.EnumDescriptor {
+	return file_envoy_config_core_v3_address_proto_enumTypes[0].Descriptor()
+}
+
+func (SocketAddress_Protocol) Type() protoreflect.EnumType {
+	return &file_envoy_config_core_v3_address_proto_enumTypes[0]
+}
+
+func (x SocketAddress_Protocol) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use SocketAddress_Protocol.Descriptor instead.
+func (SocketAddress_Protocol) EnumDescriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_address_proto_rawDescGZIP(), []int{2, 0}
+}
+
+type Pipe struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Unix Domain Socket path. On Linux, paths starting with '@' will use the
+	// abstract namespace. The starting '@' is replaced by a null byte by Envoy.
+	// Paths starting with '@' will result in an error in environments other than
+	// Linux.
+	Path string `protobuf:"bytes,1,opt,name=path,proto3" json:"path,omitempty"`
+	// The mode for the Pipe. Not applicable for abstract sockets.
+	Mode uint32 `protobuf:"varint,2,opt,name=mode,proto3" json:"mode,omitempty"`
+}
+
+func (x *Pipe) Reset() {
+	*x = Pipe{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_address_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Pipe) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Pipe) ProtoMessage() {}
+
+func (x *Pipe) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_address_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Pipe.ProtoReflect.Descriptor instead.
+func (*Pipe) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_address_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Pipe) GetPath() string {
+	if x != nil {
+		return x.Path
+	}
+	return ""
+}
+
+func (x *Pipe) GetMode() uint32 {
+	if x != nil {
+		return x.Mode
+	}
+	return 0
+}
+
+// [#not-implemented-hide:] The address represents an envoy internal listener.
+// TODO(lambdai): Make this address available for listener and endpoint.
+// TODO(asraa): When address available, remove workaround from test/server/server_fuzz_test.cc:30.
+type EnvoyInternalAddress struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to AddressNameSpecifier:
+	//	*EnvoyInternalAddress_ServerListenerName
+	AddressNameSpecifier isEnvoyInternalAddress_AddressNameSpecifier `protobuf_oneof:"address_name_specifier"`
+}
+
+func (x *EnvoyInternalAddress) Reset() {
+	*x = EnvoyInternalAddress{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_address_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *EnvoyInternalAddress) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*EnvoyInternalAddress) ProtoMessage() {}
+
+func (x *EnvoyInternalAddress) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_address_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use EnvoyInternalAddress.ProtoReflect.Descriptor instead.
+func (*EnvoyInternalAddress) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_address_proto_rawDescGZIP(), []int{1}
+}
+
+func (m *EnvoyInternalAddress) GetAddressNameSpecifier() isEnvoyInternalAddress_AddressNameSpecifier {
+	if m != nil {
+		return m.AddressNameSpecifier
+	}
+	return nil
+}
+
+func (x *EnvoyInternalAddress) GetServerListenerName() string {
+	if x, ok := x.GetAddressNameSpecifier().(*EnvoyInternalAddress_ServerListenerName); ok {
+		return x.ServerListenerName
+	}
+	return ""
+}
+
+type isEnvoyInternalAddress_AddressNameSpecifier interface {
+	isEnvoyInternalAddress_AddressNameSpecifier()
+}
+
+type EnvoyInternalAddress_ServerListenerName struct {
+	// [#not-implemented-hide:] The :ref:`listener name <envoy_v3_api_field_config.listener.v3.Listener.name>` of the destination internal listener.
+	ServerListenerName string `protobuf:"bytes,1,opt,name=server_listener_name,json=serverListenerName,proto3,oneof"`
+}
+
+func (*EnvoyInternalAddress_ServerListenerName) isEnvoyInternalAddress_AddressNameSpecifier() {}
+
+// [#next-free-field: 7]
+type SocketAddress struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Protocol SocketAddress_Protocol `protobuf:"varint,1,opt,name=protocol,proto3,enum=envoy.config.core.v3.SocketAddress_Protocol" json:"protocol,omitempty"`
+	// The address for this socket. :ref:`Listeners <config_listeners>` will bind
+	// to the address. An empty address is not allowed. Specify ``0.0.0.0`` or ``::``
+	// to bind to any address. [#comment:TODO(zuercher) reinstate when implemented:
+	// It is possible to distinguish a Listener address via the prefix/suffix matching
+	// in :ref:`FilterChainMatch <envoy_v3_api_msg_config.listener.v3.FilterChainMatch>`.] When used
+	// within an upstream :ref:`BindConfig <envoy_v3_api_msg_config.core.v3.BindConfig>`, the address
+	// controls the source address of outbound connections. For :ref:`clusters
+	// <envoy_v3_api_msg_config.cluster.v3.Cluster>`, the cluster type determines whether the
+	// address must be an IP (*STATIC* or *EDS* clusters) or a hostname resolved by DNS
+	// (*STRICT_DNS* or *LOGICAL_DNS* clusters). Address resolution can be customized
+	// via :ref:`resolver_name <envoy_v3_api_field_config.core.v3.SocketAddress.resolver_name>`.
+	Address string `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"`
+	// Types that are assignable to PortSpecifier:
+	//	*SocketAddress_PortValue
+	//	*SocketAddress_NamedPort
+	PortSpecifier isSocketAddress_PortSpecifier `protobuf_oneof:"port_specifier"`
+	// The name of the custom resolver. This must have been registered with Envoy. If
+	// this is empty, a context dependent default applies. If the address is a concrete
+	// IP address, no resolution will occur. If address is a hostname this
+	// should be set for resolution other than DNS. Specifying a custom resolver with
+	// *STRICT_DNS* or *LOGICAL_DNS* will generate an error at runtime.
+	ResolverName string `protobuf:"bytes,5,opt,name=resolver_name,json=resolverName,proto3" json:"resolver_name,omitempty"`
+	// When binding to an IPv6 address above, this enables `IPv4 compatibility
+	// <https://tools.ietf.org/html/rfc3493#page-11>`_. Binding to ``::`` will
+	// allow both IPv4 and IPv6 connections, with peer IPv4 addresses mapped into
+	// IPv6 space as ``::FFFF:<IPv4-address>``.
+	Ipv4Compat bool `protobuf:"varint,6,opt,name=ipv4_compat,json=ipv4Compat,proto3" json:"ipv4_compat,omitempty"`
+}
+
+func (x *SocketAddress) Reset() {
+	*x = SocketAddress{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_address_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SocketAddress) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SocketAddress) ProtoMessage() {}
+
+func (x *SocketAddress) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_address_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SocketAddress.ProtoReflect.Descriptor instead.
+func (*SocketAddress) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_address_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *SocketAddress) GetProtocol() SocketAddress_Protocol {
+	if x != nil {
+		return x.Protocol
+	}
+	return SocketAddress_TCP
+}
+
+func (x *SocketAddress) GetAddress() string {
+	if x != nil {
+		return x.Address
+	}
+	return ""
+}
+
+func (m *SocketAddress) GetPortSpecifier() isSocketAddress_PortSpecifier {
+	if m != nil {
+		return m.PortSpecifier
+	}
+	return nil
+}
+
+func (x *SocketAddress) GetPortValue() uint32 {
+	if x, ok := x.GetPortSpecifier().(*SocketAddress_PortValue); ok {
+		return x.PortValue
+	}
+	return 0
+}
+
+func (x *SocketAddress) GetNamedPort() string {
+	if x, ok := x.GetPortSpecifier().(*SocketAddress_NamedPort); ok {
+		return x.NamedPort
+	}
+	return ""
+}
+
+func (x *SocketAddress) GetResolverName() string {
+	if x != nil {
+		return x.ResolverName
+	}
+	return ""
+}
+
+func (x *SocketAddress) GetIpv4Compat() bool {
+	if x != nil {
+		return x.Ipv4Compat
+	}
+	return false
+}
+
+type isSocketAddress_PortSpecifier interface {
+	isSocketAddress_PortSpecifier()
+}
+
+type SocketAddress_PortValue struct {
+	PortValue uint32 `protobuf:"varint,3,opt,name=port_value,json=portValue,proto3,oneof"`
+}
+
+type SocketAddress_NamedPort struct {
+	// This is only valid if :ref:`resolver_name
+	// <envoy_v3_api_field_config.core.v3.SocketAddress.resolver_name>` is specified below and the
+	// named resolver is capable of named port resolution.
+	NamedPort string `protobuf:"bytes,4,opt,name=named_port,json=namedPort,proto3,oneof"`
+}
+
+func (*SocketAddress_PortValue) isSocketAddress_PortSpecifier() {}
+
+func (*SocketAddress_NamedPort) isSocketAddress_PortSpecifier() {}
+
+type TcpKeepalive struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Maximum number of keepalive probes to send without response before deciding
+	// the connection is dead. Default is to use the OS level configuration (unless
+	// overridden, Linux defaults to 9.)
+	KeepaliveProbes *wrapperspb.UInt32Value `protobuf:"bytes,1,opt,name=keepalive_probes,json=keepaliveProbes,proto3" json:"keepalive_probes,omitempty"`
+	// The number of seconds a connection needs to be idle before keep-alive probes
+	// start being sent. Default is to use the OS level configuration (unless
+	// overridden, Linux defaults to 7200s (i.e., 2 hours.)
+	KeepaliveTime *wrapperspb.UInt32Value `protobuf:"bytes,2,opt,name=keepalive_time,json=keepaliveTime,proto3" json:"keepalive_time,omitempty"`
+	// The number of seconds between keep-alive probes. Default is to use the OS
+	// level configuration (unless overridden, Linux defaults to 75s.)
+	KeepaliveInterval *wrapperspb.UInt32Value `protobuf:"bytes,3,opt,name=keepalive_interval,json=keepaliveInterval,proto3" json:"keepalive_interval,omitempty"`
+}
+
+func (x *TcpKeepalive) Reset() {
+	*x = TcpKeepalive{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_address_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TcpKeepalive) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TcpKeepalive) ProtoMessage() {}
+
+func (x *TcpKeepalive) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_address_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TcpKeepalive.ProtoReflect.Descriptor instead.
+func (*TcpKeepalive) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_address_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *TcpKeepalive) GetKeepaliveProbes() *wrapperspb.UInt32Value {
+	if x != nil {
+		return x.KeepaliveProbes
+	}
+	return nil
+}
+
+func (x *TcpKeepalive) GetKeepaliveTime() *wrapperspb.UInt32Value {
+	if x != nil {
+		return x.KeepaliveTime
+	}
+	return nil
+}
+
+func (x *TcpKeepalive) GetKeepaliveInterval() *wrapperspb.UInt32Value {
+	if x != nil {
+		return x.KeepaliveInterval
+	}
+	return nil
+}
+
+type BindConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The address to bind to when creating a socket.
+	SourceAddress *SocketAddress `protobuf:"bytes,1,opt,name=source_address,json=sourceAddress,proto3" json:"source_address,omitempty"`
+	// Whether to set the *IP_FREEBIND* option when creating the socket. When this
+	// flag is set to true, allows the :ref:`source_address
+	// <envoy_v3_api_field_config.cluster.v3.UpstreamBindConfig.source_address>` to be an IP address
+	// that is not configured on the system running Envoy. When this flag is set
+	// to false, the option *IP_FREEBIND* is disabled on the socket. When this
+	// flag is not set (default), the socket is not modified, i.e. the option is
+	// neither enabled nor disabled.
+	Freebind *wrapperspb.BoolValue `protobuf:"bytes,2,opt,name=freebind,proto3" json:"freebind,omitempty"`
+	// Additional socket options that may not be present in Envoy source code or
+	// precompiled binaries.
+	SocketOptions []*SocketOption `protobuf:"bytes,3,rep,name=socket_options,json=socketOptions,proto3" json:"socket_options,omitempty"`
+}
+
+func (x *BindConfig) Reset() {
+	*x = BindConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_address_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BindConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BindConfig) ProtoMessage() {}
+
+func (x *BindConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_address_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BindConfig.ProtoReflect.Descriptor instead.
+func (*BindConfig) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_address_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *BindConfig) GetSourceAddress() *SocketAddress {
+	if x != nil {
+		return x.SourceAddress
+	}
+	return nil
+}
+
+func (x *BindConfig) GetFreebind() *wrapperspb.BoolValue {
+	if x != nil {
+		return x.Freebind
+	}
+	return nil
+}
+
+func (x *BindConfig) GetSocketOptions() []*SocketOption {
+	if x != nil {
+		return x.SocketOptions
+	}
+	return nil
+}
+
+// Addresses specify either a logical or physical address and port, which are
+// used to tell Envoy where to bind/listen, connect to upstream and find
+// management servers.
+type Address struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to Address:
+	//	*Address_SocketAddress
+	//	*Address_Pipe
+	//	*Address_EnvoyInternalAddress
+	Address isAddress_Address `protobuf_oneof:"address"`
+}
+
+func (x *Address) Reset() {
+	*x = Address{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_address_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Address) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Address) ProtoMessage() {}
+
+func (x *Address) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_address_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Address.ProtoReflect.Descriptor instead.
+func (*Address) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_address_proto_rawDescGZIP(), []int{5}
+}
+
+func (m *Address) GetAddress() isAddress_Address {
+	if m != nil {
+		return m.Address
+	}
+	return nil
+}
+
+func (x *Address) GetSocketAddress() *SocketAddress {
+	if x, ok := x.GetAddress().(*Address_SocketAddress); ok {
+		return x.SocketAddress
+	}
+	return nil
+}
+
+func (x *Address) GetPipe() *Pipe {
+	if x, ok := x.GetAddress().(*Address_Pipe); ok {
+		return x.Pipe
+	}
+	return nil
+}
+
+func (x *Address) GetEnvoyInternalAddress() *EnvoyInternalAddress {
+	if x, ok := x.GetAddress().(*Address_EnvoyInternalAddress); ok {
+		return x.EnvoyInternalAddress
+	}
+	return nil
+}
+
+type isAddress_Address interface {
+	isAddress_Address()
+}
+
+type Address_SocketAddress struct {
+	SocketAddress *SocketAddress `protobuf:"bytes,1,opt,name=socket_address,json=socketAddress,proto3,oneof"`
+}
+
+type Address_Pipe struct {
+	Pipe *Pipe `protobuf:"bytes,2,opt,name=pipe,proto3,oneof"`
+}
+
+type Address_EnvoyInternalAddress struct {
+	// [#not-implemented-hide:]
+	EnvoyInternalAddress *EnvoyInternalAddress `protobuf:"bytes,3,opt,name=envoy_internal_address,json=envoyInternalAddress,proto3,oneof"`
+}
+
+func (*Address_SocketAddress) isAddress_Address() {}
+
+func (*Address_Pipe) isAddress_Address() {}
+
+func (*Address_EnvoyInternalAddress) isAddress_Address() {}
+
+// CidrRange specifies an IP Address and a prefix length to construct
+// the subnet mask for a `CIDR <https://tools.ietf.org/html/rfc4632>`_ range.
+type CidrRange struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// IPv4 or IPv6 address, e.g. ``192.0.0.0`` or ``2001:db8::``.
+	AddressPrefix string `protobuf:"bytes,1,opt,name=address_prefix,json=addressPrefix,proto3" json:"address_prefix,omitempty"`
+	// Length of prefix, e.g. 0, 32. Defaults to 0 when unset.
+	PrefixLen *wrapperspb.UInt32Value `protobuf:"bytes,2,opt,name=prefix_len,json=prefixLen,proto3" json:"prefix_len,omitempty"`
+}
+
+func (x *CidrRange) Reset() {
+	*x = CidrRange{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_address_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CidrRange) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CidrRange) ProtoMessage() {}
+
+func (x *CidrRange) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_address_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CidrRange.ProtoReflect.Descriptor instead.
+func (*CidrRange) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_address_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *CidrRange) GetAddressPrefix() string {
+	if x != nil {
+		return x.AddressPrefix
+	}
+	return ""
+}
+
+func (x *CidrRange) GetPrefixLen() *wrapperspb.UInt32Value {
+	if x != nil {
+		return x.PrefixLen
+	}
+	return nil
+}
+
+var File_envoy_config_core_v3_address_proto protoreflect.FileDescriptor
+
+var file_envoy_config_core_v3_address_proto_rawDesc = []byte{
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+}
+
+var (
+	file_envoy_config_core_v3_address_proto_rawDescOnce sync.Once
+	file_envoy_config_core_v3_address_proto_rawDescData = file_envoy_config_core_v3_address_proto_rawDesc
+)
+
+func file_envoy_config_core_v3_address_proto_rawDescGZIP() []byte {
+	file_envoy_config_core_v3_address_proto_rawDescOnce.Do(func() {
+		file_envoy_config_core_v3_address_proto_rawDescData = protoimpl.X.CompressGZIP(file_envoy_config_core_v3_address_proto_rawDescData)
+	})
+	return file_envoy_config_core_v3_address_proto_rawDescData
+}
+
+var file_envoy_config_core_v3_address_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
+var file_envoy_config_core_v3_address_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_envoy_config_core_v3_address_proto_goTypes = []interface{}{
+	(SocketAddress_Protocol)(0),    // 0: envoy.config.core.v3.SocketAddress.Protocol
+	(*Pipe)(nil),                   // 1: envoy.config.core.v3.Pipe
+	(*EnvoyInternalAddress)(nil),   // 2: envoy.config.core.v3.EnvoyInternalAddress
+	(*SocketAddress)(nil),          // 3: envoy.config.core.v3.SocketAddress
+	(*TcpKeepalive)(nil),           // 4: envoy.config.core.v3.TcpKeepalive
+	(*BindConfig)(nil),             // 5: envoy.config.core.v3.BindConfig
+	(*Address)(nil),                // 6: envoy.config.core.v3.Address
+	(*CidrRange)(nil),              // 7: envoy.config.core.v3.CidrRange
+	(*wrapperspb.UInt32Value)(nil), // 8: google.protobuf.UInt32Value
+	(*wrapperspb.BoolValue)(nil),   // 9: google.protobuf.BoolValue
+	(*SocketOption)(nil),           // 10: envoy.config.core.v3.SocketOption
+}
+var file_envoy_config_core_v3_address_proto_depIdxs = []int32{
+	0,  // 0: envoy.config.core.v3.SocketAddress.protocol:type_name -> envoy.config.core.v3.SocketAddress.Protocol
+	8,  // 1: envoy.config.core.v3.TcpKeepalive.keepalive_probes:type_name -> google.protobuf.UInt32Value
+	8,  // 2: envoy.config.core.v3.TcpKeepalive.keepalive_time:type_name -> google.protobuf.UInt32Value
+	8,  // 3: envoy.config.core.v3.TcpKeepalive.keepalive_interval:type_name -> google.protobuf.UInt32Value
+	3,  // 4: envoy.config.core.v3.BindConfig.source_address:type_name -> envoy.config.core.v3.SocketAddress
+	9,  // 5: envoy.config.core.v3.BindConfig.freebind:type_name -> google.protobuf.BoolValue
+	10, // 6: envoy.config.core.v3.BindConfig.socket_options:type_name -> envoy.config.core.v3.SocketOption
+	3,  // 7: envoy.config.core.v3.Address.socket_address:type_name -> envoy.config.core.v3.SocketAddress
+	1,  // 8: envoy.config.core.v3.Address.pipe:type_name -> envoy.config.core.v3.Pipe
+	2,  // 9: envoy.config.core.v3.Address.envoy_internal_address:type_name -> envoy.config.core.v3.EnvoyInternalAddress
+	8,  // 10: envoy.config.core.v3.CidrRange.prefix_len:type_name -> google.protobuf.UInt32Value
+	11, // [11:11] is the sub-list for method output_type
+	11, // [11:11] is the sub-list for method input_type
+	11, // [11:11] is the sub-list for extension type_name
+	11, // [11:11] is the sub-list for extension extendee
+	0,  // [0:11] is the sub-list for field type_name
+}
+
+func init() { file_envoy_config_core_v3_address_proto_init() }
+func file_envoy_config_core_v3_address_proto_init() {
+	if File_envoy_config_core_v3_address_proto != nil {
+		return
+	}
+	file_envoy_config_core_v3_socket_option_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_envoy_config_core_v3_address_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Pipe); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_config_core_v3_address_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*EnvoyInternalAddress); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_config_core_v3_address_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SocketAddress); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_config_core_v3_address_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*TcpKeepalive); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_config_core_v3_address_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BindConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_config_core_v3_address_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Address); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_envoy_config_core_v3_address_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CidrRange); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_envoy_config_core_v3_address_proto_msgTypes[1].OneofWrappers = []interface{}{
+		(*EnvoyInternalAddress_ServerListenerName)(nil),
+	}
+	file_envoy_config_core_v3_address_proto_msgTypes[2].OneofWrappers = []interface{}{
+		(*SocketAddress_PortValue)(nil),
+		(*SocketAddress_NamedPort)(nil),
+	}
+	file_envoy_config_core_v3_address_proto_msgTypes[5].OneofWrappers = []interface{}{
+		(*Address_SocketAddress)(nil),
+		(*Address_Pipe)(nil),
+		(*Address_EnvoyInternalAddress)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_envoy_config_core_v3_address_proto_rawDesc,
+			NumEnums:      1,
+			NumMessages:   7,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_envoy_config_core_v3_address_proto_goTypes,
+		DependencyIndexes: file_envoy_config_core_v3_address_proto_depIdxs,
+		EnumInfos:         file_envoy_config_core_v3_address_proto_enumTypes,
+		MessageInfos:      file_envoy_config_core_v3_address_proto_msgTypes,
+	}.Build()
+	File_envoy_config_core_v3_address_proto = out.File
+	file_envoy_config_core_v3_address_proto_rawDesc = nil
+	file_envoy_config_core_v3_address_proto_goTypes = nil
+	file_envoy_config_core_v3_address_proto_depIdxs = nil
+}
diff --git a/proto/envoy/config/core/v3/backoff.pb.go b/proto/envoy/config/core/v3/backoff.pb.go
new file mode 100644
index 0000000..20974ca
--- /dev/null
+++ b/proto/envoy/config/core/v3/backoff.pb.go
@@ -0,0 +1,189 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.14.0
+// source: envoy/config/core/v3/backoff.proto
+
+package v3
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	durationpb "google.golang.org/protobuf/types/known/durationpb"
+	reflect "reflect"
+	_ "skywalking.apache.org/repo/goapi/proto/udpa/annotations"
+	_ "skywalking.apache.org/repo/goapi/proto/validate"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Configuration defining a jittered exponential back off strategy.
+type BackoffStrategy struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The base interval to be used for the next back off computation. It should
+	// be greater than zero and less than or equal to :ref:`max_interval
+	// <envoy_v3_api_field_config.core.v3.BackoffStrategy.max_interval>`.
+	BaseInterval *durationpb.Duration `protobuf:"bytes,1,opt,name=base_interval,json=baseInterval,proto3" json:"base_interval,omitempty"`
+	// Specifies the maximum interval between retries. This parameter is optional,
+	// but must be greater than or equal to the :ref:`base_interval
+	// <envoy_v3_api_field_config.core.v3.BackoffStrategy.base_interval>` if set. The default
+	// is 10 times the :ref:`base_interval
+	// <envoy_v3_api_field_config.core.v3.BackoffStrategy.base_interval>`.
+	MaxInterval *durationpb.Duration `protobuf:"bytes,2,opt,name=max_interval,json=maxInterval,proto3" json:"max_interval,omitempty"`
+}
+
+func (x *BackoffStrategy) Reset() {
+	*x = BackoffStrategy{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_backoff_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BackoffStrategy) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BackoffStrategy) ProtoMessage() {}
+
+func (x *BackoffStrategy) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_backoff_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BackoffStrategy.ProtoReflect.Descriptor instead.
+func (*BackoffStrategy) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_backoff_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *BackoffStrategy) GetBaseInterval() *durationpb.Duration {
+	if x != nil {
+		return x.BaseInterval
+	}
+	return nil
+}
+
+func (x *BackoffStrategy) GetMaxInterval() *durationpb.Duration {
+	if x != nil {
+		return x.MaxInterval
+	}
+	return nil
+}
+
+var File_envoy_config_core_v3_backoff_proto protoreflect.FileDescriptor
+
+var file_envoy_config_core_v3_backoff_proto_rawDesc = []byte{
+	0x0a, 0x22, 0x65, 0x6e, 0x76, 0x6f, 0x79, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2f, 0x63,
+	0x6f, 0x72, 0x65, 0x2f, 0x76, 0x33, 0x2f, 0x62, 0x61, 0x63, 0x6b, 0x6f, 0x66, 0x66, 0x2e, 0x70,
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+	0x6c, 0x69, 0x64, 0x61, 0x74, 0x65, 0x2f, 0x76, 0x61, 0x6c, 0x69, 0x64, 0x61, 0x74, 0x65, 0x2e,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xd3, 0x01, 0x0a, 0x0f, 0x42, 0x61, 0x63, 0x6b, 0x6f, 0x66,
+	0x66, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x4e, 0x0a, 0x0d, 0x62, 0x61, 0x73,
+	0x65, 0x5f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x76, 0x61, 0x6c, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b,
+	0x32, 0x19, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
+	0x75, 0x66, 0x2e, 0x44, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x42, 0x0e, 0xfa, 0x42, 0x0b,
+	0xaa, 0x01, 0x08, 0x08, 0x01, 0x32, 0x04, 0x10, 0xc0, 0x84, 0x3d, 0x52, 0x0c, 0x62, 0x61, 0x73,
+	0x65, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x76, 0x61, 0x6c, 0x12, 0x46, 0x0a, 0x0c, 0x6d, 0x61, 0x78,
+	0x5f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x76, 0x61, 0x6c, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32,
+	0x19, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
+	0x66, 0x2e, 0x44, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x42, 0x08, 0xfa, 0x42, 0x05, 0xaa,
+	0x01, 0x02, 0x2a, 0x00, 0x52, 0x0b, 0x6d, 0x61, 0x78, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x76, 0x61,
+	0x6c, 0x3a, 0x28, 0x9a, 0xc5, 0x88, 0x1e, 0x23, 0x0a, 0x21, 0x65, 0x6e, 0x76, 0x6f, 0x79, 0x2e,
+	0x61, 0x70, 0x69, 0x2e, 0x76, 0x32, 0x2e, 0x63, 0x6f, 0x72, 0x65, 0x2e, 0x42, 0x61, 0x63, 0x6b,
+	0x6f, 0x66, 0x66, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x42, 0x3c, 0x0a, 0x22, 0x69,
+	0x6f, 0x2e, 0x65, 0x6e, 0x76, 0x6f, 0x79, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x65, 0x6e, 0x76,
+	0x6f, 0x79, 0x2e, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x63, 0x6f, 0x72, 0x65, 0x2e, 0x76,
+	0x33, 0x42, 0x0c, 0x42, 0x61, 0x63, 0x6b, 0x6f, 0x66, 0x66, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50,
+	0x01, 0xba, 0x80, 0xc8, 0xd1, 0x06, 0x02, 0x10, 0x02, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x33,
+}
+
+var (
+	file_envoy_config_core_v3_backoff_proto_rawDescOnce sync.Once
+	file_envoy_config_core_v3_backoff_proto_rawDescData = file_envoy_config_core_v3_backoff_proto_rawDesc
+)
+
+func file_envoy_config_core_v3_backoff_proto_rawDescGZIP() []byte {
+	file_envoy_config_core_v3_backoff_proto_rawDescOnce.Do(func() {
+		file_envoy_config_core_v3_backoff_proto_rawDescData = protoimpl.X.CompressGZIP(file_envoy_config_core_v3_backoff_proto_rawDescData)
+	})
+	return file_envoy_config_core_v3_backoff_proto_rawDescData
+}
+
+var file_envoy_config_core_v3_backoff_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_envoy_config_core_v3_backoff_proto_goTypes = []interface{}{
+	(*BackoffStrategy)(nil),     // 0: envoy.config.core.v3.BackoffStrategy
+	(*durationpb.Duration)(nil), // 1: google.protobuf.Duration
+}
+var file_envoy_config_core_v3_backoff_proto_depIdxs = []int32{
+	1, // 0: envoy.config.core.v3.BackoffStrategy.base_interval:type_name -> google.protobuf.Duration
+	1, // 1: envoy.config.core.v3.BackoffStrategy.max_interval:type_name -> google.protobuf.Duration
+	2, // [2:2] is the sub-list for method output_type
+	2, // [2:2] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
+}
+
+func init() { file_envoy_config_core_v3_backoff_proto_init() }
+func file_envoy_config_core_v3_backoff_proto_init() {
+	if File_envoy_config_core_v3_backoff_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_envoy_config_core_v3_backoff_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BackoffStrategy); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_envoy_config_core_v3_backoff_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_envoy_config_core_v3_backoff_proto_goTypes,
+		DependencyIndexes: file_envoy_config_core_v3_backoff_proto_depIdxs,
+		MessageInfos:      file_envoy_config_core_v3_backoff_proto_msgTypes,
+	}.Build()
+	File_envoy_config_core_v3_backoff_proto = out.File
+	file_envoy_config_core_v3_backoff_proto_rawDesc = nil
+	file_envoy_config_core_v3_backoff_proto_goTypes = nil
+	file_envoy_config_core_v3_backoff_proto_depIdxs = nil
+}
diff --git a/proto/envoy/config/core/v3/base.pb.go b/proto/envoy/config/core/v3/base.pb.go
new file mode 100644
index 0000000..114a7a3
--- /dev/null
+++ b/proto/envoy/config/core/v3/base.pb.go
@@ -0,0 +1,2462 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.14.0
+// source: envoy/config/core/v3/base.proto
+
+package v3
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	anypb "google.golang.org/protobuf/types/known/anypb"
+	structpb "google.golang.org/protobuf/types/known/structpb"
+	wrapperspb "google.golang.org/protobuf/types/known/wrapperspb"
+	reflect "reflect"
+	_ "skywalking.apache.org/repo/goapi/proto/envoy/annotations"
+	v3 "skywalking.apache.org/repo/goapi/proto/envoy/type/v3"
+	_ "skywalking.apache.org/repo/goapi/proto/udpa/annotations"
+	_ "skywalking.apache.org/repo/goapi/proto/validate"
+	v31 "skywalking.apache.org/repo/goapi/proto/xds/core/v3"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Envoy supports :ref:`upstream priority routing
+// <arch_overview_http_routing_priority>` both at the route and the virtual
+// cluster level. The current priority implementation uses different connection
+// pool and circuit breaking settings for each priority level. This means that
+// even for HTTP/2 requests, two physical connections will be used to an
+// upstream host. In the future Envoy will likely support true HTTP/2 priority
+// over a single upstream connection.
+type RoutingPriority int32
+
+const (
+	RoutingPriority_DEFAULT RoutingPriority = 0
+	RoutingPriority_HIGH    RoutingPriority = 1
+)
+
+// Enum value maps for RoutingPriority.
+var (
+	RoutingPriority_name = map[int32]string{
+		0: "DEFAULT",
+		1: "HIGH",
+	}
+	RoutingPriority_value = map[string]int32{
+		"DEFAULT": 0,
+		"HIGH":    1,
+	}
+)
+
+func (x RoutingPriority) Enum() *RoutingPriority {
+	p := new(RoutingPriority)
+	*p = x
+	return p
+}
+
+func (x RoutingPriority) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (RoutingPriority) Descriptor() protoreflect.EnumDescriptor {
+	return file_envoy_config_core_v3_base_proto_enumTypes[0].Descriptor()
+}
+
+func (RoutingPriority) Type() protoreflect.EnumType {
+	return &file_envoy_config_core_v3_base_proto_enumTypes[0]
+}
+
+func (x RoutingPriority) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use RoutingPriority.Descriptor instead.
+func (RoutingPriority) EnumDescriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{0}
+}
+
+// HTTP request method.
+type RequestMethod int32
+
+const (
+	RequestMethod_METHOD_UNSPECIFIED RequestMethod = 0
+	RequestMethod_GET                RequestMethod = 1
+	RequestMethod_HEAD               RequestMethod = 2
+	RequestMethod_POST               RequestMethod = 3
+	RequestMethod_PUT                RequestMethod = 4
+	RequestMethod_DELETE             RequestMethod = 5
+	RequestMethod_CONNECT            RequestMethod = 6
+	RequestMethod_OPTIONS            RequestMethod = 7
+	RequestMethod_TRACE              RequestMethod = 8
+	RequestMethod_PATCH              RequestMethod = 9
+)
+
+// Enum value maps for RequestMethod.
+var (
+	RequestMethod_name = map[int32]string{
+		0: "METHOD_UNSPECIFIED",
+		1: "GET",
+		2: "HEAD",
+		3: "POST",
+		4: "PUT",
+		5: "DELETE",
+		6: "CONNECT",
+		7: "OPTIONS",
+		8: "TRACE",
+		9: "PATCH",
+	}
+	RequestMethod_value = map[string]int32{
+		"METHOD_UNSPECIFIED": 0,
+		"GET":                1,
+		"HEAD":               2,
+		"POST":               3,
+		"PUT":                4,
+		"DELETE":             5,
+		"CONNECT":            6,
+		"OPTIONS":            7,
+		"TRACE":              8,
+		"PATCH":              9,
+	}
+)
+
+func (x RequestMethod) Enum() *RequestMethod {
+	p := new(RequestMethod)
+	*p = x
+	return p
+}
+
+func (x RequestMethod) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (RequestMethod) Descriptor() protoreflect.EnumDescriptor {
+	return file_envoy_config_core_v3_base_proto_enumTypes[1].Descriptor()
+}
+
+func (RequestMethod) Type() protoreflect.EnumType {
+	return &file_envoy_config_core_v3_base_proto_enumTypes[1]
+}
+
+func (x RequestMethod) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use RequestMethod.Descriptor instead.
+func (RequestMethod) EnumDescriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{1}
+}
+
+// Identifies the direction of the traffic relative to the local Envoy.
+type TrafficDirection int32
+
+const (
+	// Default option is unspecified.
+	TrafficDirection_UNSPECIFIED TrafficDirection = 0
+	// The transport is used for incoming traffic.
+	TrafficDirection_INBOUND TrafficDirection = 1
+	// The transport is used for outgoing traffic.
+	TrafficDirection_OUTBOUND TrafficDirection = 2
+)
+
+// Enum value maps for TrafficDirection.
+var (
+	TrafficDirection_name = map[int32]string{
+		0: "UNSPECIFIED",
+		1: "INBOUND",
+		2: "OUTBOUND",
+	}
+	TrafficDirection_value = map[string]int32{
+		"UNSPECIFIED": 0,
+		"INBOUND":     1,
+		"OUTBOUND":    2,
+	}
+)
+
+func (x TrafficDirection) Enum() *TrafficDirection {
+	p := new(TrafficDirection)
+	*p = x
+	return p
+}
+
+func (x TrafficDirection) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (TrafficDirection) Descriptor() protoreflect.EnumDescriptor {
+	return file_envoy_config_core_v3_base_proto_enumTypes[2].Descriptor()
+}
+
+func (TrafficDirection) Type() protoreflect.EnumType {
+	return &file_envoy_config_core_v3_base_proto_enumTypes[2]
+}
+
+func (x TrafficDirection) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use TrafficDirection.Descriptor instead.
+func (TrafficDirection) EnumDescriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{2}
+}
+
+// Describes the supported actions types for header append action.
+type HeaderValueOption_HeaderAppendAction int32
+
+const (
+	// This action will append the specified value to the existing values if the header
+	// already exists. If the header doesn't exist then this will add the header with
+	// specified key and value.
+	HeaderValueOption_APPEND_IF_EXISTS_OR_ADD HeaderValueOption_HeaderAppendAction = 0
+	// This action will add the header if it doesn't already exist. If the header
+	// already exists then this will be a no-op.
+	HeaderValueOption_ADD_IF_ABSENT HeaderValueOption_HeaderAppendAction = 1
+	// This action will overwrite the specified value by discarding any existing values if
+	// the header already exists. If the header doesn't exist then this will add the header
+	// with specified key and value.
+	HeaderValueOption_OVERWRITE_IF_EXISTS_OR_ADD HeaderValueOption_HeaderAppendAction = 2
+)
+
+// Enum value maps for HeaderValueOption_HeaderAppendAction.
+var (
+	HeaderValueOption_HeaderAppendAction_name = map[int32]string{
+		0: "APPEND_IF_EXISTS_OR_ADD",
+		1: "ADD_IF_ABSENT",
+		2: "OVERWRITE_IF_EXISTS_OR_ADD",
+	}
+	HeaderValueOption_HeaderAppendAction_value = map[string]int32{
+		"APPEND_IF_EXISTS_OR_ADD":    0,
+		"ADD_IF_ABSENT":              1,
+		"OVERWRITE_IF_EXISTS_OR_ADD": 2,
+	}
+)
+
+func (x HeaderValueOption_HeaderAppendAction) Enum() *HeaderValueOption_HeaderAppendAction {
+	p := new(HeaderValueOption_HeaderAppendAction)
+	*p = x
+	return p
+}
+
+func (x HeaderValueOption_HeaderAppendAction) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (HeaderValueOption_HeaderAppendAction) Descriptor() protoreflect.EnumDescriptor {
+	return file_envoy_config_core_v3_base_proto_enumTypes[3].Descriptor()
+}
+
+func (HeaderValueOption_HeaderAppendAction) Type() protoreflect.EnumType {
+	return &file_envoy_config_core_v3_base_proto_enumTypes[3]
+}
+
+func (x HeaderValueOption_HeaderAppendAction) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use HeaderValueOption_HeaderAppendAction.Descriptor instead.
+func (HeaderValueOption_HeaderAppendAction) EnumDescriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{10, 0}
+}
+
+// Identifies location of where either Envoy runs or where upstream hosts run.
+type Locality struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Region this :ref:`zone <envoy_v3_api_field_config.core.v3.Locality.zone>` belongs to.
+	Region string `protobuf:"bytes,1,opt,name=region,proto3" json:"region,omitempty"`
+	// Defines the local service zone where Envoy is running. Though optional, it
+	// should be set if discovery service routing is used and the discovery
+	// service exposes :ref:`zone data <envoy_v3_api_field_config.endpoint.v3.LocalityLbEndpoints.locality>`,
+	// either in this message or via :option:`--service-zone`. The meaning of zone
+	// is context dependent, e.g. `Availability Zone (AZ)
+	// <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html>`_
+	// on AWS, `Zone <https://cloud.google.com/compute/docs/regions-zones/>`_ on
+	// GCP, etc.
+	Zone string `protobuf:"bytes,2,opt,name=zone,proto3" json:"zone,omitempty"`
+	// When used for locality of upstream hosts, this field further splits zone
+	// into smaller chunks of sub-zones so they can be load balanced
+	// independently.
+	SubZone string `protobuf:"bytes,3,opt,name=sub_zone,json=subZone,proto3" json:"sub_zone,omitempty"`
+}
+
+func (x *Locality) Reset() {
+	*x = Locality{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Locality) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Locality) ProtoMessage() {}
+
+func (x *Locality) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Locality.ProtoReflect.Descriptor instead.
+func (*Locality) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Locality) GetRegion() string {
+	if x != nil {
+		return x.Region
+	}
+	return ""
+}
+
+func (x *Locality) GetZone() string {
+	if x != nil {
+		return x.Zone
+	}
+	return ""
+}
+
+func (x *Locality) GetSubZone() string {
+	if x != nil {
+		return x.SubZone
+	}
+	return ""
+}
+
+// BuildVersion combines SemVer version of extension with free-form build information
+// (i.e. 'alpha', 'private-build') as a set of strings.
+type BuildVersion struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// SemVer version of extension.
+	Version *v3.SemanticVersion `protobuf:"bytes,1,opt,name=version,proto3" json:"version,omitempty"`
+	// Free-form build information.
+	// Envoy defines several well known keys in the source/common/version/version.h file
+	Metadata *structpb.Struct `protobuf:"bytes,2,opt,name=metadata,proto3" json:"metadata,omitempty"`
+}
+
+func (x *BuildVersion) Reset() {
+	*x = BuildVersion{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BuildVersion) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BuildVersion) ProtoMessage() {}
+
+func (x *BuildVersion) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BuildVersion.ProtoReflect.Descriptor instead.
+func (*BuildVersion) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *BuildVersion) GetVersion() *v3.SemanticVersion {
+	if x != nil {
+		return x.Version
+	}
+	return nil
+}
+
+func (x *BuildVersion) GetMetadata() *structpb.Struct {
+	if x != nil {
+		return x.Metadata
+	}
+	return nil
+}
+
+// Version and identification for an Envoy extension.
+// [#next-free-field: 6]
+type Extension struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// This is the name of the Envoy filter as specified in the Envoy
+	// configuration, e.g. envoy.filters.http.router, com.acme.widget.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// Category of the extension.
+	// Extension category names use reverse DNS notation. For instance "envoy.filters.listener"
+	// for Envoy's built-in listener filters or "com.acme.filters.http" for HTTP filters from
+	// acme.com vendor.
+	// [#comment:TODO(yanavlasov): Link to the doc with existing envoy category names.]
+	Category string `protobuf:"bytes,2,opt,name=category,proto3" json:"category,omitempty"`
+	// [#not-implemented-hide:] Type descriptor of extension configuration proto.
+	// [#comment:TODO(yanavlasov): Link to the doc with existing configuration protos.]
+	// [#comment:TODO(yanavlasov): Add tests when PR #9391 lands.]
+	TypeDescriptor string `protobuf:"bytes,3,opt,name=type_descriptor,json=typeDescriptor,proto3" json:"type_descriptor,omitempty"`
+	// The version is a property of the extension and maintained independently
+	// of other extensions and the Envoy API.
+	// This field is not set when extension did not provide version information.
+	Version *BuildVersion `protobuf:"bytes,4,opt,name=version,proto3" json:"version,omitempty"`
+	// Indicates that the extension is present but was disabled via dynamic configuration.
+	Disabled bool `protobuf:"varint,5,opt,name=disabled,proto3" json:"disabled,omitempty"`
+}
+
+func (x *Extension) Reset() {
+	*x = Extension{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Extension) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Extension) ProtoMessage() {}
+
+func (x *Extension) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Extension.ProtoReflect.Descriptor instead.
+func (*Extension) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *Extension) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *Extension) GetCategory() string {
+	if x != nil {
+		return x.Category
+	}
+	return ""
+}
+
+func (x *Extension) GetTypeDescriptor() string {
+	if x != nil {
+		return x.TypeDescriptor
+	}
+	return ""
+}
+
+func (x *Extension) GetVersion() *BuildVersion {
+	if x != nil {
+		return x.Version
+	}
+	return nil
+}
+
+func (x *Extension) GetDisabled() bool {
+	if x != nil {
+		return x.Disabled
+	}
+	return false
+}
+
+// Identifies a specific Envoy instance. The node identifier is presented to the
+// management server, which may use this identifier to distinguish per Envoy
+// configuration for serving.
+// [#next-free-field: 13]
+type Node struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// An opaque node identifier for the Envoy node. This also provides the local
+	// service node name. It should be set if any of the following features are
+	// used: :ref:`statsd <arch_overview_statistics>`, :ref:`CDS
+	// <config_cluster_manager_cds>`, and :ref:`HTTP tracing
+	// <arch_overview_tracing>`, either in this message or via
+	// :option:`--service-node`.
+	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	// Defines the local service cluster name where Envoy is running. Though
+	// optional, it should be set if any of the following features are used:
+	// :ref:`statsd <arch_overview_statistics>`, :ref:`health check cluster
+	// verification
+	// <envoy_v3_api_field_config.core.v3.HealthCheck.HttpHealthCheck.service_name_matcher>`,
+	// :ref:`runtime override directory <envoy_v3_api_msg_config.bootstrap.v3.Runtime>`,
+	// :ref:`user agent addition
+	// <envoy_v3_api_field_extensions.filters.network.http_connection_manager.v3.HttpConnectionManager.add_user_agent>`,
+	// :ref:`HTTP global rate limiting <config_http_filters_rate_limit>`,
+	// :ref:`CDS <config_cluster_manager_cds>`, and :ref:`HTTP tracing
+	// <arch_overview_tracing>`, either in this message or via
+	// :option:`--service-cluster`.
+	Cluster string `protobuf:"bytes,2,opt,name=cluster,proto3" json:"cluster,omitempty"`
+	// Opaque metadata extending the node identifier. Envoy will pass this
+	// directly to the management server.
+	Metadata *structpb.Struct `protobuf:"bytes,3,opt,name=metadata,proto3" json:"metadata,omitempty"`
+	// Map from xDS resource type URL to dynamic context parameters. These may vary at runtime (unlike
+	// other fields in this message). For example, the xDS client may have a shard identifier that
+	// changes during the lifetime of the xDS client. In Envoy, this would be achieved by updating the
+	// dynamic context on the Server::Instance's LocalInfo context provider. The shard ID dynamic
+	// parameter then appears in this field during future discovery requests.
+	DynamicParameters map[string]*v31.ContextParams `protobuf:"bytes,12,rep,name=dynamic_parameters,json=dynamicParameters,proto3" json:"dynamic_parameters,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	// Locality specifying where the Envoy instance is running.
+	Locality *Locality `protobuf:"bytes,4,opt,name=locality,proto3" json:"locality,omitempty"`
+	// Free-form string that identifies the entity requesting config.
+	// E.g. "envoy" or "grpc"
+	UserAgentName string `protobuf:"bytes,6,opt,name=user_agent_name,json=userAgentName,proto3" json:"user_agent_name,omitempty"`
+	// Types that are assignable to UserAgentVersionType:
+	//	*Node_UserAgentVersion
+	//	*Node_UserAgentBuildVersion
+	UserAgentVersionType isNode_UserAgentVersionType `protobuf_oneof:"user_agent_version_type"`
+	// List of extensions and their versions supported by the node.
+	Extensions []*Extension `protobuf:"bytes,9,rep,name=extensions,proto3" json:"extensions,omitempty"`
+	// Client feature support list. These are well known features described
+	// in the Envoy API repository for a given major version of an API. Client features
+	// use reverse DNS naming scheme, for example `com.acme.feature`.
+	// See :ref:`the list of features <client_features>` that xDS client may
+	// support.
+	ClientFeatures []string `protobuf:"bytes,10,rep,name=client_features,json=clientFeatures,proto3" json:"client_features,omitempty"`
+	// Known listening ports on the node as a generic hint to the management server
+	// for filtering :ref:`listeners <config_listeners>` to be returned. For example,
+	// if there is a listener bound to port 80, the list can optionally contain the
+	// SocketAddress `(0.0.0.0,80)`. The field is optional and just a hint.
+	//
+	// Deprecated: Do not use.
+	ListeningAddresses []*Address `protobuf:"bytes,11,rep,name=listening_addresses,json=listeningAddresses,proto3" json:"listening_addresses,omitempty"`
+}
+
+func (x *Node) Reset() {
+	*x = Node{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Node) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Node) ProtoMessage() {}
+
+func (x *Node) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Node.ProtoReflect.Descriptor instead.
+func (*Node) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *Node) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+func (x *Node) GetCluster() string {
+	if x != nil {
+		return x.Cluster
+	}
+	return ""
+}
+
+func (x *Node) GetMetadata() *structpb.Struct {
+	if x != nil {
+		return x.Metadata
+	}
+	return nil
+}
+
+func (x *Node) GetDynamicParameters() map[string]*v31.ContextParams {
+	if x != nil {
+		return x.DynamicParameters
+	}
+	return nil
+}
+
+func (x *Node) GetLocality() *Locality {
+	if x != nil {
+		return x.Locality
+	}
+	return nil
+}
+
+func (x *Node) GetUserAgentName() string {
+	if x != nil {
+		return x.UserAgentName
+	}
+	return ""
+}
+
+func (m *Node) GetUserAgentVersionType() isNode_UserAgentVersionType {
+	if m != nil {
+		return m.UserAgentVersionType
+	}
+	return nil
+}
+
+func (x *Node) GetUserAgentVersion() string {
+	if x, ok := x.GetUserAgentVersionType().(*Node_UserAgentVersion); ok {
+		return x.UserAgentVersion
+	}
+	return ""
+}
+
+func (x *Node) GetUserAgentBuildVersion() *BuildVersion {
+	if x, ok := x.GetUserAgentVersionType().(*Node_UserAgentBuildVersion); ok {
+		return x.UserAgentBuildVersion
+	}
+	return nil
+}
+
+func (x *Node) GetExtensions() []*Extension {
+	if x != nil {
+		return x.Extensions
+	}
+	return nil
+}
+
+func (x *Node) GetClientFeatures() []string {
+	if x != nil {
+		return x.ClientFeatures
+	}
+	return nil
+}
+
+// Deprecated: Do not use.
+func (x *Node) GetListeningAddresses() []*Address {
+	if x != nil {
+		return x.ListeningAddresses
+	}
+	return nil
+}
+
+type isNode_UserAgentVersionType interface {
+	isNode_UserAgentVersionType()
+}
+
+type Node_UserAgentVersion struct {
+	// Free-form string that identifies the version of the entity requesting config.
+	// E.g. "1.12.2" or "abcd1234", or "SpecialEnvoyBuild"
+	UserAgentVersion string `protobuf:"bytes,7,opt,name=user_agent_version,json=userAgentVersion,proto3,oneof"`
+}
+
+type Node_UserAgentBuildVersion struct {
+	// Structured version of the entity requesting config.
+	UserAgentBuildVersion *BuildVersion `protobuf:"bytes,8,opt,name=user_agent_build_version,json=userAgentBuildVersion,proto3,oneof"`
+}
+
+func (*Node_UserAgentVersion) isNode_UserAgentVersionType() {}
+
+func (*Node_UserAgentBuildVersion) isNode_UserAgentVersionType() {}
+
+// Metadata provides additional inputs to filters based on matched listeners,
+// filter chains, routes and endpoints. It is structured as a map, usually from
+// filter name (in reverse DNS format) to metadata specific to the filter. Metadata
+// key-values for a filter are merged as connection and request handling occurs,
+// with later values for the same key overriding earlier values.
+//
+// An example use of metadata is providing additional values to
+// http_connection_manager in the envoy.http_connection_manager.access_log
+// namespace.
+//
+// Another example use of metadata is to per service config info in cluster metadata, which may get
+// consumed by multiple filters.
+//
+// For load balancing, Metadata provides a means to subset cluster endpoints.
+// Endpoints have a Metadata object associated and routes contain a Metadata
+// object to match against. There are some well defined metadata used today for
+// this purpose:
+//
+// * ``{"envoy.lb": {"canary": <bool> }}`` This indicates the canary status of an
+//   endpoint and is also used during header processing
+//   (x-envoy-upstream-canary) and for stats purposes.
+// [#next-major-version: move to type/metadata/v2]
+type Metadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Key is the reverse DNS filter name, e.g. com.acme.widget. The envoy.*
+	// namespace is reserved for Envoy's built-in filters.
+	// If both *filter_metadata* and
+	// :ref:`typed_filter_metadata <envoy_v3_api_field_config.core.v3.Metadata.typed_filter_metadata>`
+	// fields are present in the metadata with same keys,
+	// only *typed_filter_metadata* field will be parsed.
+	FilterMetadata map[string]*structpb.Struct `protobuf:"bytes,1,rep,name=filter_metadata,json=filterMetadata,proto3" json:"filter_metadata,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	// Key is the reverse DNS filter name, e.g. com.acme.widget. The envoy.*
+	// namespace is reserved for Envoy's built-in filters.
+	// The value is encoded as google.protobuf.Any.
+	// If both :ref:`filter_metadata <envoy_v3_api_field_config.core.v3.Metadata.filter_metadata>`
+	// and *typed_filter_metadata* fields are present in the metadata with same keys,
+	// only *typed_filter_metadata* field will be parsed.
+	TypedFilterMetadata map[string]*anypb.Any `protobuf:"bytes,2,rep,name=typed_filter_metadata,json=typedFilterMetadata,proto3" json:"typed_filter_metadata,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+}
+
+func (x *Metadata) Reset() {
+	*x = Metadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Metadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Metadata) ProtoMessage() {}
+
+func (x *Metadata) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Metadata.ProtoReflect.Descriptor instead.
+func (*Metadata) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *Metadata) GetFilterMetadata() map[string]*structpb.Struct {
+	if x != nil {
+		return x.FilterMetadata
+	}
+	return nil
+}
+
+func (x *Metadata) GetTypedFilterMetadata() map[string]*anypb.Any {
+	if x != nil {
+		return x.TypedFilterMetadata
+	}
+	return nil
+}
+
+// Runtime derived uint32 with a default when not specified.
+type RuntimeUInt32 struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Default value if runtime value is not available.
+	DefaultValue uint32 `protobuf:"varint,2,opt,name=default_value,json=defaultValue,proto3" json:"default_value,omitempty"`
+	// Runtime key to get value for comparison. This value is used if defined.
+	RuntimeKey string `protobuf:"bytes,3,opt,name=runtime_key,json=runtimeKey,proto3" json:"runtime_key,omitempty"`
+}
+
+func (x *RuntimeUInt32) Reset() {
+	*x = RuntimeUInt32{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RuntimeUInt32) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RuntimeUInt32) ProtoMessage() {}
+
+func (x *RuntimeUInt32) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RuntimeUInt32.ProtoReflect.Descriptor instead.
+func (*RuntimeUInt32) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *RuntimeUInt32) GetDefaultValue() uint32 {
+	if x != nil {
+		return x.DefaultValue
+	}
+	return 0
+}
+
+func (x *RuntimeUInt32) GetRuntimeKey() string {
+	if x != nil {
+		return x.RuntimeKey
+	}
+	return ""
+}
+
+// Runtime derived percentage with a default when not specified.
+type RuntimePercent struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Default value if runtime value is not available.
+	DefaultValue *v3.Percent `protobuf:"bytes,1,opt,name=default_value,json=defaultValue,proto3" json:"default_value,omitempty"`
+	// Runtime key to get value for comparison. This value is used if defined.
+	RuntimeKey string `protobuf:"bytes,2,opt,name=runtime_key,json=runtimeKey,proto3" json:"runtime_key,omitempty"`
+}
+
+func (x *RuntimePercent) Reset() {
+	*x = RuntimePercent{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RuntimePercent) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RuntimePercent) ProtoMessage() {}
+
+func (x *RuntimePercent) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RuntimePercent.ProtoReflect.Descriptor instead.
+func (*RuntimePercent) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *RuntimePercent) GetDefaultValue() *v3.Percent {
+	if x != nil {
+		return x.DefaultValue
+	}
+	return nil
+}
+
+func (x *RuntimePercent) GetRuntimeKey() string {
+	if x != nil {
+		return x.RuntimeKey
+	}
+	return ""
+}
+
+// Runtime derived double with a default when not specified.
+type RuntimeDouble struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Default value if runtime value is not available.
+	DefaultValue float64 `protobuf:"fixed64,1,opt,name=default_value,json=defaultValue,proto3" json:"default_value,omitempty"`
+	// Runtime key to get value for comparison. This value is used if defined.
+	RuntimeKey string `protobuf:"bytes,2,opt,name=runtime_key,json=runtimeKey,proto3" json:"runtime_key,omitempty"`
+}
+
+func (x *RuntimeDouble) Reset() {
+	*x = RuntimeDouble{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RuntimeDouble) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RuntimeDouble) ProtoMessage() {}
+
+func (x *RuntimeDouble) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RuntimeDouble.ProtoReflect.Descriptor instead.
+func (*RuntimeDouble) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *RuntimeDouble) GetDefaultValue() float64 {
+	if x != nil {
+		return x.DefaultValue
+	}
+	return 0
+}
+
+func (x *RuntimeDouble) GetRuntimeKey() string {
+	if x != nil {
+		return x.RuntimeKey
+	}
+	return ""
+}
+
+// Runtime derived bool with a default when not specified.
+type RuntimeFeatureFlag struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Default value if runtime value is not available.
+	DefaultValue *wrapperspb.BoolValue `protobuf:"bytes,1,opt,name=default_value,json=defaultValue,proto3" json:"default_value,omitempty"`
+	// Runtime key to get value for comparison. This value is used if defined. The boolean value must
+	// be represented via its
+	// `canonical JSON encoding <https://developers.google.com/protocol-buffers/docs/proto3#json>`_.
+	RuntimeKey string `protobuf:"bytes,2,opt,name=runtime_key,json=runtimeKey,proto3" json:"runtime_key,omitempty"`
+}
+
+func (x *RuntimeFeatureFlag) Reset() {
+	*x = RuntimeFeatureFlag{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RuntimeFeatureFlag) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RuntimeFeatureFlag) ProtoMessage() {}
+
+func (x *RuntimeFeatureFlag) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RuntimeFeatureFlag.ProtoReflect.Descriptor instead.
+func (*RuntimeFeatureFlag) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *RuntimeFeatureFlag) GetDefaultValue() *wrapperspb.BoolValue {
+	if x != nil {
+		return x.DefaultValue
+	}
+	return nil
+}
+
+func (x *RuntimeFeatureFlag) GetRuntimeKey() string {
+	if x != nil {
+		return x.RuntimeKey
+	}
+	return ""
+}
+
+// Header name/value pair.
+type HeaderValue struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Header name.
+	Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	// Header value.
+	//
+	// The same :ref:`format specifier <config_access_log_format>` as used for
+	// :ref:`HTTP access logging <config_access_log>` applies here, however
+	// unknown header values are replaced with the empty string instead of `-`.
+	Value string `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
+}
+
+func (x *HeaderValue) Reset() {
+	*x = HeaderValue{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HeaderValue) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HeaderValue) ProtoMessage() {}
+
+func (x *HeaderValue) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[9]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HeaderValue.ProtoReflect.Descriptor instead.
+func (*HeaderValue) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{9}
+}
+
+func (x *HeaderValue) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *HeaderValue) GetValue() string {
+	if x != nil {
+		return x.Value
+	}
+	return ""
+}
+
+// Header name/value pair plus option to control append behavior.
+type HeaderValueOption struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Header name/value pair that this option applies to.
+	Header *HeaderValue `protobuf:"bytes,1,opt,name=header,proto3" json:"header,omitempty"`
+	// Should the value be appended? If true (default), the value is appended to
+	// existing values. Otherwise it replaces any existing values.
+	Append *wrapperspb.BoolValue `protobuf:"bytes,2,opt,name=append,proto3" json:"append,omitempty"`
+	// [#not-implemented-hide:] Describes the action taken to append/overwrite the given value for an existing header
+	// or to only add this header if it's absent. Value defaults to :ref:`APPEND_IF_EXISTS_OR_ADD<envoy_v3_api_enum_value_config.core.v3.HeaderValueOption.HeaderAppendAction.APPEND_IF_EXISTS_OR_ADD>`.
+	AppendAction HeaderValueOption_HeaderAppendAction `protobuf:"varint,3,opt,name=append_action,json=appendAction,proto3,enum=envoy.config.core.v3.HeaderValueOption_HeaderAppendAction" json:"append_action,omitempty"`
+}
+
+func (x *HeaderValueOption) Reset() {
+	*x = HeaderValueOption{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HeaderValueOption) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HeaderValueOption) ProtoMessage() {}
+
+func (x *HeaderValueOption) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[10]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HeaderValueOption.ProtoReflect.Descriptor instead.
+func (*HeaderValueOption) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *HeaderValueOption) GetHeader() *HeaderValue {
+	if x != nil {
+		return x.Header
+	}
+	return nil
+}
+
+func (x *HeaderValueOption) GetAppend() *wrapperspb.BoolValue {
+	if x != nil {
+		return x.Append
+	}
+	return nil
+}
+
+func (x *HeaderValueOption) GetAppendAction() HeaderValueOption_HeaderAppendAction {
+	if x != nil {
+		return x.AppendAction
+	}
+	return HeaderValueOption_APPEND_IF_EXISTS_OR_ADD
+}
+
+// Wrapper for a set of headers.
+type HeaderMap struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Headers []*HeaderValue `protobuf:"bytes,1,rep,name=headers,proto3" json:"headers,omitempty"`
+}
+
+func (x *HeaderMap) Reset() {
+	*x = HeaderMap{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HeaderMap) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HeaderMap) ProtoMessage() {}
+
+func (x *HeaderMap) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[11]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HeaderMap.ProtoReflect.Descriptor instead.
+func (*HeaderMap) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{11}
+}
+
+func (x *HeaderMap) GetHeaders() []*HeaderValue {
+	if x != nil {
+		return x.Headers
+	}
+	return nil
+}
+
+// A directory that is watched for changes, e.g. by inotify on Linux. Move/rename
+// events inside this directory trigger the watch.
+type WatchedDirectory struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Directory path to watch.
+	Path string `protobuf:"bytes,1,opt,name=path,proto3" json:"path,omitempty"`
+}
+
+func (x *WatchedDirectory) Reset() {
+	*x = WatchedDirectory{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *WatchedDirectory) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*WatchedDirectory) ProtoMessage() {}
+
+func (x *WatchedDirectory) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[12]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use WatchedDirectory.ProtoReflect.Descriptor instead.
+func (*WatchedDirectory) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{12}
+}
+
+func (x *WatchedDirectory) GetPath() string {
+	if x != nil {
+		return x.Path
+	}
+	return ""
+}
+
+// Data source consisting of either a file or an inline value.
+type DataSource struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to Specifier:
+	//	*DataSource_Filename
+	//	*DataSource_InlineBytes
+	//	*DataSource_InlineString
+	Specifier isDataSource_Specifier `protobuf_oneof:"specifier"`
+}
+
+func (x *DataSource) Reset() {
+	*x = DataSource{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[13]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DataSource) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DataSource) ProtoMessage() {}
+
+func (x *DataSource) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[13]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DataSource.ProtoReflect.Descriptor instead.
+func (*DataSource) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{13}
+}
+
+func (m *DataSource) GetSpecifier() isDataSource_Specifier {
+	if m != nil {
+		return m.Specifier
+	}
+	return nil
+}
+
+func (x *DataSource) GetFilename() string {
+	if x, ok := x.GetSpecifier().(*DataSource_Filename); ok {
+		return x.Filename
+	}
+	return ""
+}
+
+func (x *DataSource) GetInlineBytes() []byte {
+	if x, ok := x.GetSpecifier().(*DataSource_InlineBytes); ok {
+		return x.InlineBytes
+	}
+	return nil
+}
+
+func (x *DataSource) GetInlineString() string {
+	if x, ok := x.GetSpecifier().(*DataSource_InlineString); ok {
+		return x.InlineString
+	}
+	return ""
+}
+
+type isDataSource_Specifier interface {
+	isDataSource_Specifier()
+}
+
+type DataSource_Filename struct {
+	// Local filesystem data source.
+	Filename string `protobuf:"bytes,1,opt,name=filename,proto3,oneof"`
+}
+
+type DataSource_InlineBytes struct {
+	// Bytes inlined in the configuration.
+	InlineBytes []byte `protobuf:"bytes,2,opt,name=inline_bytes,json=inlineBytes,proto3,oneof"`
+}
+
+type DataSource_InlineString struct {
+	// String inlined in the configuration.
+	InlineString string `protobuf:"bytes,3,opt,name=inline_string,json=inlineString,proto3,oneof"`
+}
+
+func (*DataSource_Filename) isDataSource_Specifier() {}
+
+func (*DataSource_InlineBytes) isDataSource_Specifier() {}
+
+func (*DataSource_InlineString) isDataSource_Specifier() {}
+
+// The message specifies the retry policy of remote data source when fetching fails.
+type RetryPolicy struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Specifies parameters that control :ref:`retry backoff strategy <envoy_v3_api_msg_config.core.v3.BackoffStrategy>`.
+	// This parameter is optional, in which case the default base interval is 1000 milliseconds. The
+	// default maximum interval is 10 times the base interval.
+	RetryBackOff *BackoffStrategy `protobuf:"bytes,1,opt,name=retry_back_off,json=retryBackOff,proto3" json:"retry_back_off,omitempty"`
+	// Specifies the allowed number of retries. This parameter is optional and
+	// defaults to 1.
+	NumRetries *wrapperspb.UInt32Value `protobuf:"bytes,2,opt,name=num_retries,json=numRetries,proto3" json:"num_retries,omitempty"`
+}
+
+func (x *RetryPolicy) Reset() {
+	*x = RetryPolicy{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[14]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RetryPolicy) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RetryPolicy) ProtoMessage() {}
+
+func (x *RetryPolicy) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[14]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RetryPolicy.ProtoReflect.Descriptor instead.
+func (*RetryPolicy) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{14}
+}
+
+func (x *RetryPolicy) GetRetryBackOff() *BackoffStrategy {
+	if x != nil {
+		return x.RetryBackOff
+	}
+	return nil
+}
+
+func (x *RetryPolicy) GetNumRetries() *wrapperspb.UInt32Value {
+	if x != nil {
+		return x.NumRetries
+	}
+	return nil
+}
+
+// The message specifies how to fetch data from remote and how to verify it.
+type RemoteDataSource struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The HTTP URI to fetch the remote data.
+	HttpUri *HttpUri `protobuf:"bytes,1,opt,name=http_uri,json=httpUri,proto3" json:"http_uri,omitempty"`
+	// SHA256 string for verifying data.
+	Sha256 string `protobuf:"bytes,2,opt,name=sha256,proto3" json:"sha256,omitempty"`
+	// Retry policy for fetching remote data.
+	RetryPolicy *RetryPolicy `protobuf:"bytes,3,opt,name=retry_policy,json=retryPolicy,proto3" json:"retry_policy,omitempty"`
+}
+
+func (x *RemoteDataSource) Reset() {
+	*x = RemoteDataSource{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[15]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RemoteDataSource) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RemoteDataSource) ProtoMessage() {}
+
+func (x *RemoteDataSource) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[15]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RemoteDataSource.ProtoReflect.Descriptor instead.
+func (*RemoteDataSource) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{15}
+}
+
+func (x *RemoteDataSource) GetHttpUri() *HttpUri {
+	if x != nil {
+		return x.HttpUri
+	}
+	return nil
+}
+
+func (x *RemoteDataSource) GetSha256() string {
+	if x != nil {
+		return x.Sha256
+	}
+	return ""
+}
+
+func (x *RemoteDataSource) GetRetryPolicy() *RetryPolicy {
+	if x != nil {
+		return x.RetryPolicy
+	}
+	return nil
+}
+
+// Async data source which support async data fetch.
+type AsyncDataSource struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to Specifier:
+	//	*AsyncDataSource_Local
+	//	*AsyncDataSource_Remote
+	Specifier isAsyncDataSource_Specifier `protobuf_oneof:"specifier"`
+}
+
+func (x *AsyncDataSource) Reset() {
+	*x = AsyncDataSource{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[16]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AsyncDataSource) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AsyncDataSource) ProtoMessage() {}
+
+func (x *AsyncDataSource) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[16]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AsyncDataSource.ProtoReflect.Descriptor instead.
+func (*AsyncDataSource) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{16}
+}
+
+func (m *AsyncDataSource) GetSpecifier() isAsyncDataSource_Specifier {
+	if m != nil {
+		return m.Specifier
+	}
+	return nil
+}
+
+func (x *AsyncDataSource) GetLocal() *DataSource {
+	if x, ok := x.GetSpecifier().(*AsyncDataSource_Local); ok {
+		return x.Local
+	}
+	return nil
+}
+
+func (x *AsyncDataSource) GetRemote() *RemoteDataSource {
+	if x, ok := x.GetSpecifier().(*AsyncDataSource_Remote); ok {
+		return x.Remote
+	}
+	return nil
+}
+
+type isAsyncDataSource_Specifier interface {
+	isAsyncDataSource_Specifier()
+}
+
+type AsyncDataSource_Local struct {
+	// Local async data source.
+	Local *DataSource `protobuf:"bytes,1,opt,name=local,proto3,oneof"`
+}
+
+type AsyncDataSource_Remote struct {
+	// Remote async data source.
+	Remote *RemoteDataSource `protobuf:"bytes,2,opt,name=remote,proto3,oneof"`
+}
+
+func (*AsyncDataSource_Local) isAsyncDataSource_Specifier() {}
+
+func (*AsyncDataSource_Remote) isAsyncDataSource_Specifier() {}
+
+// Configuration for transport socket in :ref:`listeners <config_listeners>` and
+// :ref:`clusters <envoy_v3_api_msg_config.cluster.v3.Cluster>`. If the configuration is
+// empty, a default transport socket implementation and configuration will be
+// chosen based on the platform and existence of tls_context.
+type TransportSocket struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The name of the transport socket to instantiate. The name must match a supported transport
+	// socket implementation.
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// Implementation specific configuration which depends on the implementation being instantiated.
+	// See the supported transport socket implementations for further documentation.
+	//
+	// Types that are assignable to ConfigType:
+	//	*TransportSocket_TypedConfig
+	ConfigType isTransportSocket_ConfigType `protobuf_oneof:"config_type"`
+}
+
+func (x *TransportSocket) Reset() {
+	*x = TransportSocket{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[17]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TransportSocket) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TransportSocket) ProtoMessage() {}
+
+func (x *TransportSocket) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[17]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TransportSocket.ProtoReflect.Descriptor instead.
+func (*TransportSocket) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{17}
+}
+
+func (x *TransportSocket) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (m *TransportSocket) GetConfigType() isTransportSocket_ConfigType {
+	if m != nil {
+		return m.ConfigType
+	}
+	return nil
+}
+
+func (x *TransportSocket) GetTypedConfig() *anypb.Any {
+	if x, ok := x.GetConfigType().(*TransportSocket_TypedConfig); ok {
+		return x.TypedConfig
+	}
+	return nil
+}
+
+type isTransportSocket_ConfigType interface {
+	isTransportSocket_ConfigType()
+}
+
+type TransportSocket_TypedConfig struct {
+	TypedConfig *anypb.Any `protobuf:"bytes,3,opt,name=typed_config,json=typedConfig,proto3,oneof"`
+}
+
+func (*TransportSocket_TypedConfig) isTransportSocket_ConfigType() {}
+
+// Runtime derived FractionalPercent with defaults for when the numerator or denominator is not
+// specified via a runtime key.
+//
+// .. note::
+//
+//   Parsing of the runtime key's data is implemented such that it may be represented as a
+//   :ref:`FractionalPercent <envoy_v3_api_msg_type.v3.FractionalPercent>` proto represented as JSON/YAML
+//   and may also be represented as an integer with the assumption that the value is an integral
+//   percentage out of 100. For instance, a runtime key lookup returning the value "42" would parse
+//   as a `FractionalPercent` whose numerator is 42 and denominator is HUNDRED.
+type RuntimeFractionalPercent struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Default value if the runtime value's for the numerator/denominator keys are not available.
+	DefaultValue *v3.FractionalPercent `protobuf:"bytes,1,opt,name=default_value,json=defaultValue,proto3" json:"default_value,omitempty"`
+	// Runtime key for a YAML representation of a FractionalPercent.
+	RuntimeKey string `protobuf:"bytes,2,opt,name=runtime_key,json=runtimeKey,proto3" json:"runtime_key,omitempty"`
+}
+
+func (x *RuntimeFractionalPercent) Reset() {
+	*x = RuntimeFractionalPercent{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[18]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RuntimeFractionalPercent) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RuntimeFractionalPercent) ProtoMessage() {}
+
+func (x *RuntimeFractionalPercent) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[18]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RuntimeFractionalPercent.ProtoReflect.Descriptor instead.
+func (*RuntimeFractionalPercent) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{18}
+}
+
+func (x *RuntimeFractionalPercent) GetDefaultValue() *v3.FractionalPercent {
+	if x != nil {
+		return x.DefaultValue
+	}
+	return nil
+}
+
+func (x *RuntimeFractionalPercent) GetRuntimeKey() string {
+	if x != nil {
+		return x.RuntimeKey
+	}
+	return ""
+}
+
+// Identifies a specific ControlPlane instance that Envoy is connected to.
+type ControlPlane struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// An opaque control plane identifier that uniquely identifies an instance
+	// of control plane. This can be used to identify which control plane instance,
+	// the Envoy is connected to.
+	Identifier string `protobuf:"bytes,1,opt,name=identifier,proto3" json:"identifier,omitempty"`
+}
+
+func (x *ControlPlane) Reset() {
+	*x = ControlPlane{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_envoy_config_core_v3_base_proto_msgTypes[19]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ControlPlane) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ControlPlane) ProtoMessage() {}
+
+func (x *ControlPlane) ProtoReflect() protoreflect.Message {
+	mi := &file_envoy_config_core_v3_base_proto_msgTypes[19]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ControlPlane.ProtoReflect.Descriptor instead.
+func (*ControlPlane) Descriptor() ([]byte, []int) {
+	return file_envoy_config_core_v3_base_proto_rawDescGZIP(), []int{19}
+}
+
+func (x *ControlPlane) GetIdentifier() string {
+	if x != nil {
+		return x.Identifier
+	}
+	return ""
+}
+
+var File_envoy_config_core_v3_base_proto protoreflect.FileDescriptor
+
+var file_envoy_config_core_v3_base_proto_rawDesc = []byte{
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