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Posted to commits@lucene.apache.org by cp...@apache.org on 2016/06/13 11:49:52 UTC

[7/9] lucene-solr:branch_6x: LUCENE-7319: remove unused imports

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/common/src/test/org/apache/lucene/analysis/payloads/DelimitedPayloadTokenFilterTest.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/common/src/test/org/apache/lucene/analysis/payloads/DelimitedPayloadTokenFilterTest.java b/lucene/analysis/common/src/test/org/apache/lucene/analysis/payloads/DelimitedPayloadTokenFilterTest.java
index f31da3a..2528ec3 100644
--- a/lucene/analysis/common/src/test/org/apache/lucene/analysis/payloads/DelimitedPayloadTokenFilterTest.java
+++ b/lucene/analysis/common/src/test/org/apache/lucene/analysis/payloads/DelimitedPayloadTokenFilterTest.java
@@ -17,14 +17,10 @@
 package org.apache.lucene.analysis.payloads;
 
 import org.apache.lucene.analysis.BaseTokenStreamTestCase;
-import org.apache.lucene.analysis.MockTokenizer;
 import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
 import org.apache.lucene.analysis.tokenattributes.PayloadAttribute;
 import org.apache.lucene.util.BytesRef;
-import org.apache.lucene.util.LuceneTestCase;
-
-import java.io.StringReader;
 import java.nio.charset.StandardCharsets;
 
 public class DelimitedPayloadTokenFilterTest extends BaseTokenStreamTestCase {

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/common/src/test/org/apache/lucene/analysis/pt/TestPortugueseStemFilterFactory.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/common/src/test/org/apache/lucene/analysis/pt/TestPortugueseStemFilterFactory.java b/lucene/analysis/common/src/test/org/apache/lucene/analysis/pt/TestPortugueseStemFilterFactory.java
index d07d794..fcd0f4b 100644
--- a/lucene/analysis/common/src/test/org/apache/lucene/analysis/pt/TestPortugueseStemFilterFactory.java
+++ b/lucene/analysis/common/src/test/org/apache/lucene/analysis/pt/TestPortugueseStemFilterFactory.java
@@ -20,7 +20,6 @@ package org.apache.lucene.analysis.pt;
 import java.io.Reader;
 import java.io.StringReader;
 
-import org.apache.lucene.analysis.MockTokenizer;
 import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.analysis.util.BaseTokenStreamFactoryTestCase;
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/common/src/test/org/apache/lucene/analysis/reverse/TestReverseStringFilterFactory.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/common/src/test/org/apache/lucene/analysis/reverse/TestReverseStringFilterFactory.java b/lucene/analysis/common/src/test/org/apache/lucene/analysis/reverse/TestReverseStringFilterFactory.java
index 874095c..306c0cd 100644
--- a/lucene/analysis/common/src/test/org/apache/lucene/analysis/reverse/TestReverseStringFilterFactory.java
+++ b/lucene/analysis/common/src/test/org/apache/lucene/analysis/reverse/TestReverseStringFilterFactory.java
@@ -20,7 +20,6 @@ package org.apache.lucene.analysis.reverse;
 import java.io.Reader;
 import java.io.StringReader;
 
-import org.apache.lucene.analysis.MockTokenizer;
 import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.analysis.util.BaseTokenStreamFactoryTestCase;
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/common/src/test/org/apache/lucene/analysis/ru/TestRussianLightStemFilterFactory.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/common/src/test/org/apache/lucene/analysis/ru/TestRussianLightStemFilterFactory.java b/lucene/analysis/common/src/test/org/apache/lucene/analysis/ru/TestRussianLightStemFilterFactory.java
index 244c6fd..946fa22 100644
--- a/lucene/analysis/common/src/test/org/apache/lucene/analysis/ru/TestRussianLightStemFilterFactory.java
+++ b/lucene/analysis/common/src/test/org/apache/lucene/analysis/ru/TestRussianLightStemFilterFactory.java
@@ -20,7 +20,6 @@ package org.apache.lucene.analysis.ru;
 import java.io.Reader;
 import java.io.StringReader;
 
-import org.apache.lucene.analysis.MockTokenizer;
 import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.analysis.util.BaseTokenStreamFactoryTestCase;
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/common/src/test/org/apache/lucene/analysis/shingle/ShingleFilterTest.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/common/src/test/org/apache/lucene/analysis/shingle/ShingleFilterTest.java b/lucene/analysis/common/src/test/org/apache/lucene/analysis/shingle/ShingleFilterTest.java
index 801e5e6..192de38 100644
--- a/lucene/analysis/common/src/test/org/apache/lucene/analysis/shingle/ShingleFilterTest.java
+++ b/lucene/analysis/common/src/test/org/apache/lucene/analysis/shingle/ShingleFilterTest.java
@@ -18,7 +18,6 @@ package org.apache.lucene.analysis.shingle;
 
 
 import java.io.IOException;
-import java.io.Reader;
 import java.io.StringReader;
 import java.util.Random;
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/common/src/test/org/apache/lucene/analysis/shingle/TestShingleFilterFactory.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/common/src/test/org/apache/lucene/analysis/shingle/TestShingleFilterFactory.java b/lucene/analysis/common/src/test/org/apache/lucene/analysis/shingle/TestShingleFilterFactory.java
index 2c894ed..389d524 100644
--- a/lucene/analysis/common/src/test/org/apache/lucene/analysis/shingle/TestShingleFilterFactory.java
+++ b/lucene/analysis/common/src/test/org/apache/lucene/analysis/shingle/TestShingleFilterFactory.java
@@ -20,7 +20,6 @@ package org.apache.lucene.analysis.shingle;
 import java.io.Reader;
 import java.io.StringReader;
 
-import org.apache.lucene.analysis.MockTokenizer;
 import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.analysis.util.BaseTokenStreamFactoryTestCase;
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/common/src/test/org/apache/lucene/analysis/standard/TestStandardFactories.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/common/src/test/org/apache/lucene/analysis/standard/TestStandardFactories.java b/lucene/analysis/common/src/test/org/apache/lucene/analysis/standard/TestStandardFactories.java
index 0079678..85c7760 100644
--- a/lucene/analysis/common/src/test/org/apache/lucene/analysis/standard/TestStandardFactories.java
+++ b/lucene/analysis/common/src/test/org/apache/lucene/analysis/standard/TestStandardFactories.java
@@ -20,7 +20,6 @@ package org.apache.lucene.analysis.standard;
 import java.io.Reader;
 import java.io.StringReader;
 
-import org.apache.lucene.analysis.MockTokenizer;
 import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.analysis.Tokenizer;
 import org.apache.lucene.analysis.util.BaseTokenStreamFactoryTestCase;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/icu/src/java/org/apache/lucene/collation/ICUCollationKeyAnalyzer.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/icu/src/java/org/apache/lucene/collation/ICUCollationKeyAnalyzer.java b/lucene/analysis/icu/src/java/org/apache/lucene/collation/ICUCollationKeyAnalyzer.java
index 67b64bb..4388969 100644
--- a/lucene/analysis/icu/src/java/org/apache/lucene/collation/ICUCollationKeyAnalyzer.java
+++ b/lucene/analysis/icu/src/java/org/apache/lucene/collation/ICUCollationKeyAnalyzer.java
@@ -22,9 +22,6 @@ import com.ibm.icu.text.Collator;
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.core.KeywordTokenizer;
 import org.apache.lucene.collation.CollationKeyAnalyzer; // javadocs
-import org.apache.lucene.util.Version;
-
-import java.io.Reader;
 
 /**
  * <p>

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUFoldingFilterFactory.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUFoldingFilterFactory.java b/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUFoldingFilterFactory.java
index 4c1d4ac..3782216 100644
--- a/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUFoldingFilterFactory.java
+++ b/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUFoldingFilterFactory.java
@@ -23,7 +23,6 @@ import java.util.HashMap;
 
 import org.apache.lucene.analysis.BaseTokenStreamTestCase;
 import org.apache.lucene.analysis.TokenStream;
-import org.apache.lucene.analysis.MockTokenizer;
 
 /** basic tests for {@link ICUFoldingFilterFactory} */
 public class TestICUFoldingFilterFactory extends BaseTokenStreamTestCase {

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUNormalizer2FilterFactory.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUNormalizer2FilterFactory.java b/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUNormalizer2FilterFactory.java
index 5533215..8e8de80 100644
--- a/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUNormalizer2FilterFactory.java
+++ b/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUNormalizer2FilterFactory.java
@@ -22,7 +22,6 @@ import java.io.StringReader;
 import java.util.HashMap;
 
 import org.apache.lucene.analysis.BaseTokenStreamTestCase;
-import org.apache.lucene.analysis.MockTokenizer;
 import org.apache.lucene.analysis.TokenStream;
 
 /** basic tests for {@link ICUNormalizer2FilterFactory} */

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUTransformFilterFactory.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUTransformFilterFactory.java b/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUTransformFilterFactory.java
index a478217..10b9593 100644
--- a/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUTransformFilterFactory.java
+++ b/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/TestICUTransformFilterFactory.java
@@ -23,7 +23,6 @@ import java.util.HashMap;
 import java.util.Map;
 
 import org.apache.lucene.analysis.BaseTokenStreamTestCase;
-import org.apache.lucene.analysis.MockTokenizer;
 import org.apache.lucene.analysis.TokenStream;
 
 /** basic tests for {@link ICUTransformFilterFactory} */

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/segmentation/TestICUTokenizerFactory.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/segmentation/TestICUTokenizerFactory.java b/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/segmentation/TestICUTokenizerFactory.java
index f44e745..a9efb3b 100644
--- a/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/segmentation/TestICUTokenizerFactory.java
+++ b/lucene/analysis/icu/src/test/org/apache/lucene/analysis/icu/segmentation/TestICUTokenizerFactory.java
@@ -23,7 +23,6 @@ import java.util.HashMap;
 import java.util.Map;
 
 import org.apache.lucene.analysis.BaseTokenStreamTestCase;
-import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.analysis.Tokenizer;
 import org.apache.lucene.analysis.util.ClasspathResourceLoader;
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/kuromoji/src/java/org/apache/lucene/analysis/ja/dict/ConnectionCosts.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/kuromoji/src/java/org/apache/lucene/analysis/ja/dict/ConnectionCosts.java b/lucene/analysis/kuromoji/src/java/org/apache/lucene/analysis/ja/dict/ConnectionCosts.java
index 96cf1b5..30ebd14 100644
--- a/lucene/analysis/kuromoji/src/java/org/apache/lucene/analysis/ja/dict/ConnectionCosts.java
+++ b/lucene/analysis/kuromoji/src/java/org/apache/lucene/analysis/ja/dict/ConnectionCosts.java
@@ -24,7 +24,6 @@ import java.io.InputStream;
 import org.apache.lucene.codecs.CodecUtil;
 import org.apache.lucene.store.DataInput;
 import org.apache.lucene.store.InputStreamDataInput;
-import org.apache.lucene.util.BitUtil;
 import org.apache.lucene.util.IOUtils;
 
 /**

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/kuromoji/src/java/org/apache/lucene/analysis/ja/dict/UserDictionary.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/kuromoji/src/java/org/apache/lucene/analysis/ja/dict/UserDictionary.java b/lucene/analysis/kuromoji/src/java/org/apache/lucene/analysis/ja/dict/UserDictionary.java
index c8ab8d7..bf2ef57 100644
--- a/lucene/analysis/kuromoji/src/java/org/apache/lucene/analysis/ja/dict/UserDictionary.java
+++ b/lucene/analysis/kuromoji/src/java/org/apache/lucene/analysis/ja/dict/UserDictionary.java
@@ -28,7 +28,6 @@ import java.util.Map;
 import java.util.TreeMap;
 
 import org.apache.lucene.analysis.ja.util.CSVUtil;
-import org.apache.lucene.util.IntsRef;
 import org.apache.lucene.util.IntsRefBuilder;
 import org.apache.lucene.util.fst.Builder;
 import org.apache.lucene.util.fst.FST;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/phonetic/src/test/org/apache/lucene/analysis/phonetic/TestDoubleMetaphoneFilterFactory.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/phonetic/src/test/org/apache/lucene/analysis/phonetic/TestDoubleMetaphoneFilterFactory.java b/lucene/analysis/phonetic/src/test/org/apache/lucene/analysis/phonetic/TestDoubleMetaphoneFilterFactory.java
index 6f70742..aaf30d6 100644
--- a/lucene/analysis/phonetic/src/test/org/apache/lucene/analysis/phonetic/TestDoubleMetaphoneFilterFactory.java
+++ b/lucene/analysis/phonetic/src/test/org/apache/lucene/analysis/phonetic/TestDoubleMetaphoneFilterFactory.java
@@ -17,15 +17,12 @@
 package org.apache.lucene.analysis.phonetic;
 
 
-import java.io.StringReader;
 import java.util.HashMap;
 import java.util.Map;
 
 import org.apache.lucene.analysis.BaseTokenStreamTestCase;
-import org.apache.lucene.analysis.MockTokenizer;
 import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.analysis.phonetic.DoubleMetaphoneFilter;
-import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
 
 public class TestDoubleMetaphoneFilterFactory extends BaseTokenStreamTestCase {
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/stempel/src/test/org/apache/lucene/analysis/stempel/TestStempelPolishStemFilterFactory.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/stempel/src/test/org/apache/lucene/analysis/stempel/TestStempelPolishStemFilterFactory.java b/lucene/analysis/stempel/src/test/org/apache/lucene/analysis/stempel/TestStempelPolishStemFilterFactory.java
index 7199755..94c5c93 100644
--- a/lucene/analysis/stempel/src/test/org/apache/lucene/analysis/stempel/TestStempelPolishStemFilterFactory.java
+++ b/lucene/analysis/stempel/src/test/org/apache/lucene/analysis/stempel/TestStempelPolishStemFilterFactory.java
@@ -22,7 +22,6 @@ import java.io.StringReader;
 import java.util.HashMap;
 
 import org.apache.lucene.analysis.BaseTokenStreamTestCase;
-import org.apache.lucene.analysis.MockTokenizer;
 import org.apache.lucene.analysis.TokenStream;
 
 /**

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/uima/src/java/org/apache/lucene/analysis/uima/UIMAAnnotationsTokenizerFactory.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/uima/src/java/org/apache/lucene/analysis/uima/UIMAAnnotationsTokenizerFactory.java b/lucene/analysis/uima/src/java/org/apache/lucene/analysis/uima/UIMAAnnotationsTokenizerFactory.java
index 54e71d7..58ce024 100644
--- a/lucene/analysis/uima/src/java/org/apache/lucene/analysis/uima/UIMAAnnotationsTokenizerFactory.java
+++ b/lucene/analysis/uima/src/java/org/apache/lucene/analysis/uima/UIMAAnnotationsTokenizerFactory.java
@@ -20,7 +20,6 @@ package org.apache.lucene.analysis.uima;
 import org.apache.lucene.analysis.util.TokenizerFactory;
 import org.apache.lucene.util.AttributeFactory;
 
-import java.io.Reader;
 import java.util.HashMap;
 import java.util.Map;
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/uima/src/java/org/apache/lucene/analysis/uima/UIMABaseAnalyzer.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/uima/src/java/org/apache/lucene/analysis/uima/UIMABaseAnalyzer.java b/lucene/analysis/uima/src/java/org/apache/lucene/analysis/uima/UIMABaseAnalyzer.java
index 5cb4a01..07e5e2a 100644
--- a/lucene/analysis/uima/src/java/org/apache/lucene/analysis/uima/UIMABaseAnalyzer.java
+++ b/lucene/analysis/uima/src/java/org/apache/lucene/analysis/uima/UIMABaseAnalyzer.java
@@ -19,7 +19,6 @@ package org.apache.lucene.analysis.uima;
 
 import org.apache.lucene.analysis.Analyzer;
 
-import java.io.Reader;
 import java.util.Map;
 
 /**

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/uima/src/java/org/apache/lucene/analysis/uima/UIMATypeAwareAnnotationsTokenizerFactory.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/uima/src/java/org/apache/lucene/analysis/uima/UIMATypeAwareAnnotationsTokenizerFactory.java b/lucene/analysis/uima/src/java/org/apache/lucene/analysis/uima/UIMATypeAwareAnnotationsTokenizerFactory.java
index b1a6d20..f77f7d9 100644
--- a/lucene/analysis/uima/src/java/org/apache/lucene/analysis/uima/UIMATypeAwareAnnotationsTokenizerFactory.java
+++ b/lucene/analysis/uima/src/java/org/apache/lucene/analysis/uima/UIMATypeAwareAnnotationsTokenizerFactory.java
@@ -20,7 +20,6 @@ package org.apache.lucene.analysis.uima;
 import org.apache.lucene.analysis.util.TokenizerFactory;
 import org.apache.lucene.util.AttributeFactory;
 
-import java.io.Reader;
 import java.util.HashMap;
 import java.util.Map;
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/analysis/uima/src/test/org/apache/lucene/analysis/uima/UIMATypeAwareAnalyzerTest.java
----------------------------------------------------------------------
diff --git a/lucene/analysis/uima/src/test/org/apache/lucene/analysis/uima/UIMATypeAwareAnalyzerTest.java b/lucene/analysis/uima/src/test/org/apache/lucene/analysis/uima/UIMATypeAwareAnalyzerTest.java
index 1ba717b..020c640 100644
--- a/lucene/analysis/uima/src/test/org/apache/lucene/analysis/uima/UIMATypeAwareAnalyzerTest.java
+++ b/lucene/analysis/uima/src/test/org/apache/lucene/analysis/uima/UIMATypeAwareAnalyzerTest.java
@@ -20,7 +20,6 @@ package org.apache.lucene.analysis.uima;
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.BaseTokenStreamTestCase;
 import org.apache.lucene.analysis.TokenStream;
-import org.apache.lucene.util.LuceneTestCase.AwaitsFix;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene50/Lucene50SegmentInfoFormat.java
----------------------------------------------------------------------
diff --git a/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene50/Lucene50SegmentInfoFormat.java b/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene50/Lucene50SegmentInfoFormat.java
index 9c5453f..5d615ec 100644
--- a/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene50/Lucene50SegmentInfoFormat.java
+++ b/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene50/Lucene50SegmentInfoFormat.java
@@ -26,14 +26,10 @@ import org.apache.lucene.codecs.CodecUtil;
 import org.apache.lucene.codecs.SegmentInfoFormat;
 import org.apache.lucene.index.CorruptIndexException;
 import org.apache.lucene.index.IndexFileNames;
-import org.apache.lucene.index.IndexWriter; // javadocs
 import org.apache.lucene.index.SegmentInfo; // javadocs
-import org.apache.lucene.index.SegmentInfos; // javadocs
 import org.apache.lucene.store.ChecksumIndexInput;
-import org.apache.lucene.store.DataOutput; // javadocs
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.store.IOContext;
-import org.apache.lucene.store.IndexOutput;
 import org.apache.lucene.util.Version;
 
 /**

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene50/Lucene50RWSegmentInfoFormat.java
----------------------------------------------------------------------
diff --git a/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene50/Lucene50RWSegmentInfoFormat.java b/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene50/Lucene50RWSegmentInfoFormat.java
index 0a373b1..41c817a 100644
--- a/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene50/Lucene50RWSegmentInfoFormat.java
+++ b/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene50/Lucene50RWSegmentInfoFormat.java
@@ -23,14 +23,10 @@ import java.util.Map;
 import java.util.Set;
 
 import org.apache.lucene.codecs.CodecUtil;
-import org.apache.lucene.codecs.SegmentInfoFormat;
 import org.apache.lucene.index.CorruptIndexException;
 import org.apache.lucene.index.IndexFileNames;
-import org.apache.lucene.index.IndexWriter; // javadocs
 import org.apache.lucene.index.SegmentInfo; // javadocs
-import org.apache.lucene.index.SegmentInfos; // javadocs
 import org.apache.lucene.store.ChecksumIndexInput;
-import org.apache.lucene.store.DataOutput; // javadocs
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.store.IOContext;
 import org.apache.lucene.store.IndexOutput;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/AddIndexesTask.java
----------------------------------------------------------------------
diff --git a/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/AddIndexesTask.java b/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/AddIndexesTask.java
index 8e89c91..1cf3f2d 100644
--- a/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/AddIndexesTask.java
+++ b/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/AddIndexesTask.java
@@ -18,13 +18,10 @@ package org.apache.lucene.benchmark.byTask.tasks;
 
 
 import java.nio.file.Paths;
-import java.util.List;
-
 import org.apache.lucene.benchmark.byTask.PerfRunData;
 import org.apache.lucene.index.DirectoryReader;
 import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.IndexWriter;
-import org.apache.lucene.index.LeafReader;
 import org.apache.lucene.index.LeafReaderContext;
 import org.apache.lucene.index.CodecReader;
 import org.apache.lucene.index.SlowCodecReaderWrapper;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/NearRealtimeReaderTask.java
----------------------------------------------------------------------
diff --git a/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/NearRealtimeReaderTask.java b/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/NearRealtimeReaderTask.java
index cbc7db7..fe7f5cb 100644
--- a/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/NearRealtimeReaderTask.java
+++ b/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/NearRealtimeReaderTask.java
@@ -19,7 +19,6 @@ package org.apache.lucene.benchmark.byTask.tasks;
 
 import org.apache.lucene.benchmark.byTask.PerfRunData;
 import org.apache.lucene.index.DirectoryReader;
-import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.index.IndexWriter;
 import org.apache.lucene.util.ArrayUtil;
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/OpenReaderTask.java
----------------------------------------------------------------------
diff --git a/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/OpenReaderTask.java b/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/OpenReaderTask.java
index 19cb97b..b6d3905 100644
--- a/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/OpenReaderTask.java
+++ b/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/OpenReaderTask.java
@@ -24,7 +24,6 @@ import java.util.Map;
 import org.apache.lucene.benchmark.byTask.PerfRunData;
 import org.apache.lucene.index.DirectoryReader;
 import org.apache.lucene.index.IndexCommit;
-import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.store.Directory;
 
 /**

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/ReadTask.java
----------------------------------------------------------------------
diff --git a/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/ReadTask.java b/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/ReadTask.java
index a60859d..59ee9f9 100644
--- a/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/ReadTask.java
+++ b/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/ReadTask.java
@@ -34,7 +34,6 @@ import org.apache.lucene.index.IndexableField;
 import org.apache.lucene.index.MultiFields;
 import org.apache.lucene.search.Collector;
 import org.apache.lucene.search.TopDocs;
-import org.apache.lucene.search.MultiTermQuery;
 import org.apache.lucene.search.TopFieldCollector;
 import org.apache.lucene.search.ScoreDoc;
 import org.apache.lucene.search.TopScoreDocCollector;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/ReopenReaderTask.java
----------------------------------------------------------------------
diff --git a/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/ReopenReaderTask.java b/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/ReopenReaderTask.java
index 6add27c..fcc91ea 100644
--- a/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/ReopenReaderTask.java
+++ b/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/ReopenReaderTask.java
@@ -21,7 +21,6 @@ import java.io.IOException;
 
 import org.apache.lucene.benchmark.byTask.PerfRunData;
 import org.apache.lucene.index.DirectoryReader;
-import org.apache.lucene.index.IndexReader;
 
 /**
 * Reopens IndexReader and closes old IndexReader.

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/RollbackIndexTask.java
----------------------------------------------------------------------
diff --git a/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/RollbackIndexTask.java b/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/RollbackIndexTask.java
index 53a1ac5..7bc4255 100644
--- a/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/RollbackIndexTask.java
+++ b/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/RollbackIndexTask.java
@@ -18,8 +18,6 @@ package org.apache.lucene.benchmark.byTask.tasks;
 
 
 import java.io.IOException;
-import java.io.PrintStream;
-
 import org.apache.lucene.benchmark.byTask.PerfRunData;
 import org.apache.lucene.index.IndexWriter;
 import org.apache.lucene.util.InfoStream;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/WriteEnwikiLineDocTask.java
----------------------------------------------------------------------
diff --git a/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/WriteEnwikiLineDocTask.java b/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/WriteEnwikiLineDocTask.java
index 01b549e..371efbf 100644
--- a/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/WriteEnwikiLineDocTask.java
+++ b/lucene/benchmark/src/java/org/apache/lucene/benchmark/byTask/tasks/WriteEnwikiLineDocTask.java
@@ -17,7 +17,6 @@
 package org.apache.lucene.benchmark.byTask.tasks;
 
 import java.io.BufferedWriter;
-import java.io.File;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.PrintWriter;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/benchmark/src/java/org/apache/lucene/benchmark/quality/utils/SimpleQQParser.java
----------------------------------------------------------------------
diff --git a/lucene/benchmark/src/java/org/apache/lucene/benchmark/quality/utils/SimpleQQParser.java b/lucene/benchmark/src/java/org/apache/lucene/benchmark/quality/utils/SimpleQQParser.java
index 4c6f6b9..10a793e 100644
--- a/lucene/benchmark/src/java/org/apache/lucene/benchmark/quality/utils/SimpleQQParser.java
+++ b/lucene/benchmark/src/java/org/apache/lucene/benchmark/quality/utils/SimpleQQParser.java
@@ -25,7 +25,6 @@ import org.apache.lucene.queryparser.classic.QueryParserBase;
 import org.apache.lucene.search.BooleanClause;
 import org.apache.lucene.search.BooleanQuery;
 import org.apache.lucene.search.Query;
-import org.apache.lucene.util.Version;
 
 /**
  * Simplistic quality query parser. A Lucene query is created by passing 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/benchmark/src/test/org/apache/lucene/benchmark/byTask/tasks/WriteEnwikiLineDocTaskTest.java
----------------------------------------------------------------------
diff --git a/lucene/benchmark/src/test/org/apache/lucene/benchmark/byTask/tasks/WriteEnwikiLineDocTaskTest.java b/lucene/benchmark/src/test/org/apache/lucene/benchmark/byTask/tasks/WriteEnwikiLineDocTaskTest.java
index d2bcd08..117ed3a 100644
--- a/lucene/benchmark/src/test/org/apache/lucene/benchmark/byTask/tasks/WriteEnwikiLineDocTaskTest.java
+++ b/lucene/benchmark/src/test/org/apache/lucene/benchmark/byTask/tasks/WriteEnwikiLineDocTaskTest.java
@@ -18,10 +18,6 @@ package org.apache.lucene.benchmark.byTask.tasks;
 
 
 import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.InputStream;
-import java.io.InputStreamReader;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/classification/src/java/org/apache/lucene/classification/Classifier.java
----------------------------------------------------------------------
diff --git a/lucene/classification/src/java/org/apache/lucene/classification/Classifier.java b/lucene/classification/src/java/org/apache/lucene/classification/Classifier.java
index b87440d..b358504 100644
--- a/lucene/classification/src/java/org/apache/lucene/classification/Classifier.java
+++ b/lucene/classification/src/java/org/apache/lucene/classification/Classifier.java
@@ -19,10 +19,6 @@ package org.apache.lucene.classification;
 import java.io.IOException;
 import java.util.List;
 
-import org.apache.lucene.analysis.Analyzer;
-import org.apache.lucene.index.LeafReader;
-import org.apache.lucene.search.Query;
-
 /**
  * A classifier, see <code>http://en.wikipedia.org/wiki/Classifier_(mathematics)</code>, which assign classes of type
  * <code>T</code>

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/classification/src/java/org/apache/lucene/classification/document/SimpleNaiveBayesDocumentClassifier.java
----------------------------------------------------------------------
diff --git a/lucene/classification/src/java/org/apache/lucene/classification/document/SimpleNaiveBayesDocumentClassifier.java b/lucene/classification/src/java/org/apache/lucene/classification/document/SimpleNaiveBayesDocumentClassifier.java
index 2c5a493..3fbe556 100644
--- a/lucene/classification/src/java/org/apache/lucene/classification/document/SimpleNaiveBayesDocumentClassifier.java
+++ b/lucene/classification/src/java/org/apache/lucene/classification/document/SimpleNaiveBayesDocumentClassifier.java
@@ -32,7 +32,6 @@ import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
 import org.apache.lucene.classification.ClassificationResult;
 import org.apache.lucene.classification.SimpleNaiveBayesClassifier;
 import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
 import org.apache.lucene.index.IndexableField;
 import org.apache.lucene.index.LeafReader;
 import org.apache.lucene.index.MultiFields;
@@ -44,7 +43,6 @@ import org.apache.lucene.search.BooleanQuery;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.search.TermQuery;
 import org.apache.lucene.search.TotalHitCountCollector;
-import org.apache.lucene.search.WildcardQuery;
 import org.apache.lucene.util.BytesRef;
 
 /**

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/classification/src/java/org/apache/lucene/classification/utils/DatasetSplitter.java
----------------------------------------------------------------------
diff --git a/lucene/classification/src/java/org/apache/lucene/classification/utils/DatasetSplitter.java b/lucene/classification/src/java/org/apache/lucene/classification/utils/DatasetSplitter.java
index c1c8ad1..9523950 100644
--- a/lucene/classification/src/java/org/apache/lucene/classification/utils/DatasetSplitter.java
+++ b/lucene/classification/src/java/org/apache/lucene/classification/utils/DatasetSplitter.java
@@ -18,8 +18,6 @@ package org.apache.lucene.classification.utils;
 
 
 import java.io.IOException;
-import java.util.HashMap;
-
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field;
@@ -30,7 +28,6 @@ import org.apache.lucene.index.IndexWriterConfig;
 import org.apache.lucene.index.IndexableField;
 import org.apache.lucene.index.LeafReader;
 import org.apache.lucene.index.SortedDocValues;
-import org.apache.lucene.index.Terms;
 import org.apache.lucene.search.IndexSearcher;
 import org.apache.lucene.search.MatchAllDocsQuery;
 import org.apache.lucene.search.ScoreDoc;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/classification/src/test/org/apache/lucene/classification/SimpleNaiveBayesClassifierTest.java
----------------------------------------------------------------------
diff --git a/lucene/classification/src/test/org/apache/lucene/classification/SimpleNaiveBayesClassifierTest.java b/lucene/classification/src/test/org/apache/lucene/classification/SimpleNaiveBayesClassifierTest.java
index ab1204f..830ce2c 100644
--- a/lucene/classification/src/test/org/apache/lucene/classification/SimpleNaiveBayesClassifierTest.java
+++ b/lucene/classification/src/test/org/apache/lucene/classification/SimpleNaiveBayesClassifierTest.java
@@ -30,7 +30,6 @@ import org.apache.lucene.index.Terms;
 import org.apache.lucene.index.TermsEnum;
 import org.apache.lucene.search.TermQuery;
 import org.apache.lucene.util.BytesRef;
-import org.junit.Ignore;
 import org.junit.Test;
 
 /**

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/classification/src/test/org/apache/lucene/classification/utils/DocToDoubleVectorUtilsTest.java
----------------------------------------------------------------------
diff --git a/lucene/classification/src/test/org/apache/lucene/classification/utils/DocToDoubleVectorUtilsTest.java b/lucene/classification/src/test/org/apache/lucene/classification/utils/DocToDoubleVectorUtilsTest.java
index 41b09c6..a90d1a5 100644
--- a/lucene/classification/src/test/org/apache/lucene/classification/utils/DocToDoubleVectorUtilsTest.java
+++ b/lucene/classification/src/test/org/apache/lucene/classification/utils/DocToDoubleVectorUtilsTest.java
@@ -16,8 +16,6 @@
  */
 package org.apache.lucene.classification.utils;
 
-import org.apache.lucene.analysis.Analyzer;
-import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field;
 import org.apache.lucene.document.FieldType;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/codecs/src/java/org/apache/lucene/codecs/blockterms/BlockTermsReader.java
----------------------------------------------------------------------
diff --git a/lucene/codecs/src/java/org/apache/lucene/codecs/blockterms/BlockTermsReader.java b/lucene/codecs/src/java/org/apache/lucene/codecs/blockterms/BlockTermsReader.java
index f363cd3..b8d23bd 100644
--- a/lucene/codecs/src/java/org/apache/lucene/codecs/blockterms/BlockTermsReader.java
+++ b/lucene/codecs/src/java/org/apache/lucene/codecs/blockterms/BlockTermsReader.java
@@ -43,7 +43,6 @@ import org.apache.lucene.store.IndexInput;
 import org.apache.lucene.util.Accountable;
 import org.apache.lucene.util.Accountables;
 import org.apache.lucene.util.ArrayUtil;
-import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.BytesRefBuilder;
 import org.apache.lucene.util.RamUsageEstimator;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/codecs/src/java/org/apache/lucene/codecs/blocktreeords/OrdsIntersectTermsEnum.java
----------------------------------------------------------------------
diff --git a/lucene/codecs/src/java/org/apache/lucene/codecs/blocktreeords/OrdsIntersectTermsEnum.java b/lucene/codecs/src/java/org/apache/lucene/codecs/blocktreeords/OrdsIntersectTermsEnum.java
index cd0e246..9e508bf 100644
--- a/lucene/codecs/src/java/org/apache/lucene/codecs/blocktreeords/OrdsIntersectTermsEnum.java
+++ b/lucene/codecs/src/java/org/apache/lucene/codecs/blocktreeords/OrdsIntersectTermsEnum.java
@@ -21,12 +21,10 @@ import java.io.IOException;
 
 import org.apache.lucene.codecs.blocktreeords.FSTOrdsOutputs.Output;
 import org.apache.lucene.index.PostingsEnum;
-import org.apache.lucene.index.IndexOptions;
 import org.apache.lucene.index.TermState;
 import org.apache.lucene.index.TermsEnum;
 import org.apache.lucene.store.IndexInput;
 import org.apache.lucene.util.ArrayUtil;
-import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.RamUsageEstimator;
 import org.apache.lucene.util.StringHelper;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/codecs/src/java/org/apache/lucene/codecs/blocktreeords/OrdsSegmentTermsEnum.java
----------------------------------------------------------------------
diff --git a/lucene/codecs/src/java/org/apache/lucene/codecs/blocktreeords/OrdsSegmentTermsEnum.java b/lucene/codecs/src/java/org/apache/lucene/codecs/blocktreeords/OrdsSegmentTermsEnum.java
index 92ca176..9a9d871 100644
--- a/lucene/codecs/src/java/org/apache/lucene/codecs/blocktreeords/OrdsSegmentTermsEnum.java
+++ b/lucene/codecs/src/java/org/apache/lucene/codecs/blocktreeords/OrdsSegmentTermsEnum.java
@@ -26,13 +26,11 @@ import java.io.PrintStream;
 import org.apache.lucene.codecs.BlockTermState;
 import org.apache.lucene.codecs.blocktreeords.FSTOrdsOutputs.Output;
 import org.apache.lucene.index.PostingsEnum;
-import org.apache.lucene.index.IndexOptions;
 import org.apache.lucene.index.TermState;
 import org.apache.lucene.index.TermsEnum;
 import org.apache.lucene.store.ByteArrayDataInput;
 import org.apache.lucene.store.IndexInput;
 import org.apache.lucene.util.ArrayUtil;
-import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.BytesRefBuilder;
 import org.apache.lucene.util.IntsRef;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/codecs/src/java/org/apache/lucene/codecs/memory/FSTOrdTermsReader.java
----------------------------------------------------------------------
diff --git a/lucene/codecs/src/java/org/apache/lucene/codecs/memory/FSTOrdTermsReader.java b/lucene/codecs/src/java/org/apache/lucene/codecs/memory/FSTOrdTermsReader.java
index dd45f76..5967505 100644
--- a/lucene/codecs/src/java/org/apache/lucene/codecs/memory/FSTOrdTermsReader.java
+++ b/lucene/codecs/src/java/org/apache/lucene/codecs/memory/FSTOrdTermsReader.java
@@ -48,7 +48,6 @@ import org.apache.lucene.store.IndexInput;
 import org.apache.lucene.util.Accountable;
 import org.apache.lucene.util.Accountables;
 import org.apache.lucene.util.ArrayUtil;
-import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.BytesRefBuilder;
 import org.apache.lucene.util.IOUtils;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextFieldsReader.java
----------------------------------------------------------------------
diff --git a/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextFieldsReader.java b/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextFieldsReader.java
index 2a61854..faab788 100644
--- a/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextFieldsReader.java
+++ b/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextFieldsReader.java
@@ -40,7 +40,6 @@ import org.apache.lucene.store.IndexInput;
 import org.apache.lucene.util.Accountable;
 import org.apache.lucene.util.Accountables;
 import org.apache.lucene.util.ArrayUtil;
-import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.BytesRefBuilder;
 import org.apache.lucene.util.CharsRef;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextLiveDocsFormat.java
----------------------------------------------------------------------
diff --git a/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextLiveDocsFormat.java b/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextLiveDocsFormat.java
index 22f7687..8f01ebf 100644
--- a/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextLiveDocsFormat.java
+++ b/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextLiveDocsFormat.java
@@ -32,12 +32,10 @@ import org.apache.lucene.util.ArrayUtil;
 import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.BytesRefBuilder;
-import org.apache.lucene.util.CharsRef;
 import org.apache.lucene.util.CharsRefBuilder;
 import org.apache.lucene.util.IOUtils;
 import org.apache.lucene.util.MutableBits;
 import org.apache.lucene.util.StringHelper;
-import org.apache.lucene.util.UnicodeUtil;
 
 /**
  * reads/writes plaintext live docs

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextTermVectorsReader.java
----------------------------------------------------------------------
diff --git a/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextTermVectorsReader.java b/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextTermVectorsReader.java
index 4a468e9..c1808bf 100644
--- a/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextTermVectorsReader.java
+++ b/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextTermVectorsReader.java
@@ -38,7 +38,6 @@ import org.apache.lucene.store.Directory;
 import org.apache.lucene.store.IOContext;
 import org.apache.lucene.store.IndexInput;
 import org.apache.lucene.util.ArrayUtil;
-import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.BytesRefBuilder;
 import org.apache.lucene.util.CharsRef;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/analysis/Token.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/analysis/Token.java b/lucene/core/src/java/org/apache/lucene/analysis/Token.java
index f2323a6..77ab85e 100644
--- a/lucene/core/src/java/org/apache/lucene/analysis/Token.java
+++ b/lucene/core/src/java/org/apache/lucene/analysis/Token.java
@@ -20,7 +20,6 @@ package org.apache.lucene.analysis;
 import org.apache.lucene.analysis.tokenattributes.FlagsAttribute;
 import org.apache.lucene.analysis.tokenattributes.PackedTokenAttributeImpl;
 import org.apache.lucene.analysis.tokenattributes.PayloadAttribute;
-import org.apache.lucene.index.PostingsEnum;
 import org.apache.lucene.util.Attribute;
 import org.apache.lucene.util.AttributeFactory;
 import org.apache.lucene.util.AttributeImpl;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/codecs/NormsConsumer.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/codecs/NormsConsumer.java b/lucene/core/src/java/org/apache/lucene/codecs/NormsConsumer.java
index 39d3902..40f44ab 100644
--- a/lucene/core/src/java/org/apache/lucene/codecs/NormsConsumer.java
+++ b/lucene/core/src/java/org/apache/lucene/codecs/NormsConsumer.java
@@ -29,8 +29,6 @@ import org.apache.lucene.index.FieldInfo;
 import org.apache.lucene.index.MergeState;
 import org.apache.lucene.index.NumericDocValues;
 import org.apache.lucene.index.SegmentWriteState;
-import org.apache.lucene.util.Bits;
-
 import static org.apache.lucene.search.DocIdSetIterator.NO_MORE_DOCS;
 
 /** 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/codecs/StoredFieldsWriter.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/codecs/StoredFieldsWriter.java b/lucene/core/src/java/org/apache/lucene/codecs/StoredFieldsWriter.java
index 26652aa..1e91271 100644
--- a/lucene/core/src/java/org/apache/lucene/codecs/StoredFieldsWriter.java
+++ b/lucene/core/src/java/org/apache/lucene/codecs/StoredFieldsWriter.java
@@ -33,7 +33,6 @@ import org.apache.lucene.index.IndexableField;
 import org.apache.lucene.index.IndexableFieldType;
 import org.apache.lucene.index.MergeState;
 import org.apache.lucene.index.StoredFieldVisitor;
-import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.BytesRef;
 
 import static org.apache.lucene.search.DocIdSetIterator.NO_MORE_DOCS;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/codecs/TermVectorsWriter.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/codecs/TermVectorsWriter.java b/lucene/core/src/java/org/apache/lucene/codecs/TermVectorsWriter.java
index 5756d5b..50cfca8 100644
--- a/lucene/core/src/java/org/apache/lucene/codecs/TermVectorsWriter.java
+++ b/lucene/core/src/java/org/apache/lucene/codecs/TermVectorsWriter.java
@@ -32,7 +32,6 @@ import org.apache.lucene.index.Terms;
 import org.apache.lucene.index.TermsEnum;
 import org.apache.lucene.search.DocIdSetIterator;
 import org.apache.lucene.store.DataInput;
-import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.BytesRefBuilder;
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/codecs/lucene50/Lucene50PostingsFormat.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/codecs/lucene50/Lucene50PostingsFormat.java b/lucene/core/src/java/org/apache/lucene/codecs/lucene50/Lucene50PostingsFormat.java
index 4c4331c..3b0d5c2 100644
--- a/lucene/core/src/java/org/apache/lucene/codecs/lucene50/Lucene50PostingsFormat.java
+++ b/lucene/core/src/java/org/apache/lucene/codecs/lucene50/Lucene50PostingsFormat.java
@@ -30,7 +30,6 @@ import org.apache.lucene.codecs.PostingsReaderBase;
 import org.apache.lucene.codecs.PostingsWriterBase;
 import org.apache.lucene.codecs.blocktree.BlockTreeTermsReader;
 import org.apache.lucene.codecs.blocktree.BlockTreeTermsWriter;
-import org.apache.lucene.index.PostingsEnum;
 import org.apache.lucene.index.IndexOptions;
 import org.apache.lucene.index.SegmentReadState;
 import org.apache.lucene.index.SegmentWriteState;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/codecs/lucene62/Lucene62SegmentInfoFormat.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/codecs/lucene62/Lucene62SegmentInfoFormat.java b/lucene/core/src/java/org/apache/lucene/codecs/lucene62/Lucene62SegmentInfoFormat.java
index fe78572..1ee5258 100644
--- a/lucene/core/src/java/org/apache/lucene/codecs/lucene62/Lucene62SegmentInfoFormat.java
+++ b/lucene/core/src/java/org/apache/lucene/codecs/lucene62/Lucene62SegmentInfoFormat.java
@@ -17,7 +17,6 @@
 package org.apache.lucene.codecs.lucene62;
 
 import java.io.IOException;
-import java.util.Collections;
 import java.util.Map;
 import java.util.Set;
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/index/DocIDMerger.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/index/DocIDMerger.java b/lucene/core/src/java/org/apache/lucene/index/DocIDMerger.java
index 07c9e72..0fb0e3b 100644
--- a/lucene/core/src/java/org/apache/lucene/index/DocIDMerger.java
+++ b/lucene/core/src/java/org/apache/lucene/index/DocIDMerger.java
@@ -17,11 +17,9 @@
 
 package org.apache.lucene.index;
 
-import java.io.IOException;
 import java.util.List;
 
 import org.apache.lucene.search.DocIdSetIterator; // javadocs
-import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.PriorityQueue;
 
 import static org.apache.lucene.search.DocIdSetIterator.NO_MORE_DOCS;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/index/DocumentsWriterPerThreadPool.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/index/DocumentsWriterPerThreadPool.java b/lucene/core/src/java/org/apache/lucene/index/DocumentsWriterPerThreadPool.java
index 87310fb..3802805 100644
--- a/lucene/core/src/java/org/apache/lucene/index/DocumentsWriterPerThreadPool.java
+++ b/lucene/core/src/java/org/apache/lucene/index/DocumentsWriterPerThreadPool.java
@@ -17,8 +17,6 @@
 package org.apache.lucene.index;
 
 import org.apache.lucene.util.ThreadInterruptedException;
-import org.apache.lucene.util.ThreadInterruptedException;
-
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.locks.ReentrantLock;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/index/IndexWriterConfig.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/index/IndexWriterConfig.java b/lucene/core/src/java/org/apache/lucene/index/IndexWriterConfig.java
index e2957d7..50d2482 100644
--- a/lucene/core/src/java/org/apache/lucene/index/IndexWriterConfig.java
+++ b/lucene/core/src/java/org/apache/lucene/index/IndexWriterConfig.java
@@ -22,7 +22,6 @@ import java.util.EnumSet;
 
 import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.codecs.Codec;
-import org.apache.lucene.index.DocumentsWriterPerThread.IndexingChain;
 import org.apache.lucene.index.IndexWriter.IndexReaderWarmer;
 import org.apache.lucene.search.Sort;
 import org.apache.lucene.search.SortField;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/index/MappingMultiPostingsEnum.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/index/MappingMultiPostingsEnum.java b/lucene/core/src/java/org/apache/lucene/index/MappingMultiPostingsEnum.java
index 166878d..adadc40 100644
--- a/lucene/core/src/java/org/apache/lucene/index/MappingMultiPostingsEnum.java
+++ b/lucene/core/src/java/org/apache/lucene/index/MappingMultiPostingsEnum.java
@@ -21,8 +21,6 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.apache.lucene.index.MultiPostingsEnum.EnumWithSlice;
-import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.BytesRef;
 
 /**

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/index/MergePolicy.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/index/MergePolicy.java b/lucene/core/src/java/org/apache/lucene/index/MergePolicy.java
index c42b052..dbf37df 100644
--- a/lucene/core/src/java/org/apache/lucene/index/MergePolicy.java
+++ b/lucene/core/src/java/org/apache/lucene/index/MergePolicy.java
@@ -19,14 +19,12 @@ package org.apache.lucene.index;
 
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.store.MergeInfo;
 import org.apache.lucene.store.RateLimiter;
-import org.apache.lucene.util.FixedBitSet;
 
 /**
  * <p>Expert: a MergePolicy determines the sequence of

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/index/MergeState.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/index/MergeState.java b/lucene/core/src/java/org/apache/lucene/index/MergeState.java
index 3723f19..fcaad51 100644
--- a/lucene/core/src/java/org/apache/lucene/index/MergeState.java
+++ b/lucene/core/src/java/org/apache/lucene/index/MergeState.java
@@ -19,7 +19,6 @@ package org.apache.lucene.index;
 
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/index/MultiSorter.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/index/MultiSorter.java b/lucene/core/src/java/org/apache/lucene/index/MultiSorter.java
index 8f5be86..51cabab 100644
--- a/lucene/core/src/java/org/apache/lucene/index/MultiSorter.java
+++ b/lucene/core/src/java/org/apache/lucene/index/MultiSorter.java
@@ -23,7 +23,6 @@ import java.util.List;
 
 import org.apache.lucene.index.MergeState.DocMap;
 import org.apache.lucene.index.MergeState;
-import org.apache.lucene.search.LeafFieldComparator;
 import org.apache.lucene.search.Sort;
 import org.apache.lucene.search.SortField;
 import org.apache.lucene.util.Bits;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/index/TermVectorsConsumerPerField.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/index/TermVectorsConsumerPerField.java b/lucene/core/src/java/org/apache/lucene/index/TermVectorsConsumerPerField.java
index f69817a..232fe70 100644
--- a/lucene/core/src/java/org/apache/lucene/index/TermVectorsConsumerPerField.java
+++ b/lucene/core/src/java/org/apache/lucene/index/TermVectorsConsumerPerField.java
@@ -22,7 +22,6 @@ import org.apache.lucene.analysis.tokenattributes.OffsetAttribute;
 import org.apache.lucene.analysis.tokenattributes.PayloadAttribute;
 import org.apache.lucene.codecs.TermVectorsWriter;
 import org.apache.lucene.util.BytesRef;
-import org.apache.lucene.util.RamUsageEstimator;
 
 final class TermVectorsConsumerPerField extends TermsHashPerField {
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/index/TermsHashPerField.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/index/TermsHashPerField.java b/lucene/core/src/java/org/apache/lucene/index/TermsHashPerField.java
index 3496589..d360adb 100644
--- a/lucene/core/src/java/org/apache/lucene/index/TermsHashPerField.java
+++ b/lucene/core/src/java/org/apache/lucene/index/TermsHashPerField.java
@@ -21,7 +21,6 @@ import java.io.IOException;
 
 import org.apache.lucene.analysis.tokenattributes.TermToBytesRefAttribute;
 import org.apache.lucene.util.ByteBlockPool;
-import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.BytesRefHash;
 import org.apache.lucene.util.Counter;
 import org.apache.lucene.util.IntBlockPool;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/search/BlendedTermQuery.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/search/BlendedTermQuery.java b/lucene/core/src/java/org/apache/lucene/search/BlendedTermQuery.java
index ca9459f..82aea6d 100644
--- a/lucene/core/src/java/org/apache/lucene/search/BlendedTermQuery.java
+++ b/lucene/core/src/java/org/apache/lucene/search/BlendedTermQuery.java
@@ -28,7 +28,6 @@ import org.apache.lucene.index.TermContext;
 import org.apache.lucene.index.TermState;
 import org.apache.lucene.search.BooleanClause.Occur;
 import org.apache.lucene.util.ArrayUtil;
-import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.InPlaceMergeSorter;
 
 /**

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/search/EarlyTerminatingSortingCollector.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/search/EarlyTerminatingSortingCollector.java b/lucene/core/src/java/org/apache/lucene/search/EarlyTerminatingSortingCollector.java
index 1af1b9f..8ddd82f 100644
--- a/lucene/core/src/java/org/apache/lucene/search/EarlyTerminatingSortingCollector.java
+++ b/lucene/core/src/java/org/apache/lucene/search/EarlyTerminatingSortingCollector.java
@@ -20,7 +20,6 @@ import java.io.IOException;
 import java.util.Arrays;
 import java.util.concurrent.atomic.AtomicBoolean;
 
-import org.apache.lucene.index.IndexWriter;
 import org.apache.lucene.index.IndexWriterConfig;
 import org.apache.lucene.index.LeafReaderContext;
 import org.apache.lucene.search.CollectionTerminatedException;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/search/FuzzyTermsEnum.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/search/FuzzyTermsEnum.java b/lucene/core/src/java/org/apache/lucene/search/FuzzyTermsEnum.java
index 8331d0f..e79dbf2 100644
--- a/lucene/core/src/java/org/apache/lucene/search/FuzzyTermsEnum.java
+++ b/lucene/core/src/java/org/apache/lucene/search/FuzzyTermsEnum.java
@@ -19,7 +19,6 @@ package org.apache.lucene.search;
 
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Comparator;
 import java.util.List;
 
 import org.apache.lucene.index.PostingsEnum;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/search/Multiset.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/search/Multiset.java b/lucene/core/src/java/org/apache/lucene/search/Multiset.java
index 0755edd..549ec7b 100644
--- a/lucene/core/src/java/org/apache/lucene/search/Multiset.java
+++ b/lucene/core/src/java/org/apache/lucene/search/Multiset.java
@@ -18,8 +18,6 @@ package org.apache.lucene.search;
 
 
 import java.util.AbstractCollection;
-import java.util.Collection;
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/search/PointInSetQuery.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/search/PointInSetQuery.java b/lucene/core/src/java/org/apache/lucene/search/PointInSetQuery.java
index e1a2c18..8569114 100644
--- a/lucene/core/src/java/org/apache/lucene/search/PointInSetQuery.java
+++ b/lucene/core/src/java/org/apache/lucene/search/PointInSetQuery.java
@@ -18,15 +18,10 @@ package org.apache.lucene.search;
 
 import java.io.IOException;
 import java.util.AbstractCollection;
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
-import java.util.Collections;
 import java.util.Iterator;
-import java.util.List;
 import java.util.NoSuchElementException;
-import java.util.Set;
-
 import org.apache.lucene.document.IntPoint;
 import org.apache.lucene.index.FieldInfo;
 import org.apache.lucene.index.LeafReader;
@@ -36,7 +31,6 @@ import org.apache.lucene.index.PointValues.Relation;
 import org.apache.lucene.index.PointValues;
 import org.apache.lucene.index.PrefixCodedTerms.TermIterator;
 import org.apache.lucene.index.PrefixCodedTerms;
-import org.apache.lucene.index.Term;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.BytesRefBuilder;
 import org.apache.lucene.util.BytesRefIterator;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/search/RegexpQuery.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/search/RegexpQuery.java b/lucene/core/src/java/org/apache/lucene/search/RegexpQuery.java
index dffde73..b3c8ad2 100644
--- a/lucene/core/src/java/org/apache/lucene/search/RegexpQuery.java
+++ b/lucene/core/src/java/org/apache/lucene/search/RegexpQuery.java
@@ -18,7 +18,6 @@ package org.apache.lucene.search;
 
 
 import org.apache.lucene.index.Term;
-import org.apache.lucene.util.ToStringUtils;
 import org.apache.lucene.util.automaton.Automaton;
 import org.apache.lucene.util.automaton.AutomatonProvider;
 import org.apache.lucene.util.automaton.Operations;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/store/ByteArrayIndexInput.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/store/ByteArrayIndexInput.java b/lucene/core/src/java/org/apache/lucene/store/ByteArrayIndexInput.java
index 6363ed1..80f5647 100644
--- a/lucene/core/src/java/org/apache/lucene/store/ByteArrayIndexInput.java
+++ b/lucene/core/src/java/org/apache/lucene/store/ByteArrayIndexInput.java
@@ -19,8 +19,6 @@ package org.apache.lucene.store;
 
 import java.io.IOException;
 
-import org.apache.lucene.util.BytesRef;
-
 /** 
  * DataInput backed by a byte array.
  * <b>WARNING:</b> This class omits all low-level checks.

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/util/CharsRefBuilder.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/util/CharsRefBuilder.java b/lucene/core/src/java/org/apache/lucene/util/CharsRefBuilder.java
index 0dc0e7a..09830e6 100644
--- a/lucene/core/src/java/org/apache/lucene/util/CharsRefBuilder.java
+++ b/lucene/core/src/java/org/apache/lucene/util/CharsRefBuilder.java
@@ -17,7 +17,6 @@
 package org.apache.lucene.util;
 
 
-import java.io.IOException;
 import java.util.Arrays;
 
 /**

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/util/automaton/DaciukMihovAutomatonBuilder.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/util/automaton/DaciukMihovAutomatonBuilder.java b/lucene/core/src/java/org/apache/lucene/util/automaton/DaciukMihovAutomatonBuilder.java
index 0ac2867..704a6c4 100644
--- a/lucene/core/src/java/org/apache/lucene/util/automaton/DaciukMihovAutomatonBuilder.java
+++ b/lucene/core/src/java/org/apache/lucene/util/automaton/DaciukMihovAutomatonBuilder.java
@@ -22,7 +22,6 @@ import java.util.*;
 import org.apache.lucene.util.ArrayUtil;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.CharsRef;
-import org.apache.lucene.util.RamUsageEstimator;
 import org.apache.lucene.util.UnicodeUtil;
 
 /**

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/util/mutable/MutableValueStr.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/util/mutable/MutableValueStr.java b/lucene/core/src/java/org/apache/lucene/util/mutable/MutableValueStr.java
index cace988..f6921b3 100644
--- a/lucene/core/src/java/org/apache/lucene/util/mutable/MutableValueStr.java
+++ b/lucene/core/src/java/org/apache/lucene/util/mutable/MutableValueStr.java
@@ -16,7 +16,6 @@
  */
 package org.apache.lucene.util.mutable;
 
-import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.BytesRefBuilder;
 
 /**

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/util/packed/MonotonicBlockPackedWriter.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/util/packed/MonotonicBlockPackedWriter.java b/lucene/core/src/java/org/apache/lucene/util/packed/MonotonicBlockPackedWriter.java
index 8652f25..6b42ffb 100644
--- a/lucene/core/src/java/org/apache/lucene/util/packed/MonotonicBlockPackedWriter.java
+++ b/lucene/core/src/java/org/apache/lucene/util/packed/MonotonicBlockPackedWriter.java
@@ -17,7 +17,6 @@
 package org.apache.lucene.util.packed;
 
 
-import static org.apache.lucene.util.BitUtil.zigZagEncode;
 import static org.apache.lucene.util.packed.MonotonicBlockPackedReader.expected;
 
 import java.io.IOException;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/java/org/apache/lucene/util/packed/MonotonicLongValues.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/java/org/apache/lucene/util/packed/MonotonicLongValues.java b/lucene/core/src/java/org/apache/lucene/util/packed/MonotonicLongValues.java
index 6d396a2..09b3ecd 100644
--- a/lucene/core/src/java/org/apache/lucene/util/packed/MonotonicLongValues.java
+++ b/lucene/core/src/java/org/apache/lucene/util/packed/MonotonicLongValues.java
@@ -22,7 +22,6 @@ import java.util.Arrays;
 import static org.apache.lucene.util.packed.MonotonicBlockPackedReader.expected;
 
 import org.apache.lucene.util.RamUsageEstimator;
-import org.apache.lucene.util.packed.DeltaPackedLongValues.Builder;
 import org.apache.lucene.util.packed.PackedInts.Reader;
 
 class MonotonicLongValues extends DeltaPackedLongValues {

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/codecs/lucene54/TestLucene54DocValuesFormat.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/codecs/lucene54/TestLucene54DocValuesFormat.java b/lucene/core/src/test/org/apache/lucene/codecs/lucene54/TestLucene54DocValuesFormat.java
index b6f178d..58d980e 100644
--- a/lucene/core/src/test/org/apache/lucene/codecs/lucene54/TestLucene54DocValuesFormat.java
+++ b/lucene/core/src/test/org/apache/lucene/codecs/lucene54/TestLucene54DocValuesFormat.java
@@ -26,7 +26,6 @@ import java.util.List;
 import java.util.Set;
 import java.util.TreeSet;
 
-import org.apache.lucene.analysis.Analyzer;
 import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.codecs.Codec;
 import org.apache.lucene.codecs.DocValuesFormat;
@@ -55,7 +54,6 @@ import org.apache.lucene.index.LeafReader;
 import org.apache.lucene.index.LeafReaderContext;
 import org.apache.lucene.index.NumericDocValues;
 import org.apache.lucene.index.RandomIndexWriter;
-import org.apache.lucene.index.SegmentReader;
 import org.apache.lucene.index.SerialMergeScheduler;
 import org.apache.lucene.index.SortedDocValues;
 import org.apache.lucene.index.SortedNumericDocValues;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/document/TestFieldType.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/document/TestFieldType.java b/lucene/core/src/test/org/apache/lucene/document/TestFieldType.java
index c49d4e0..da76f40 100644
--- a/lucene/core/src/test/org/apache/lucene/document/TestFieldType.java
+++ b/lucene/core/src/test/org/apache/lucene/document/TestFieldType.java
@@ -18,8 +18,6 @@ package org.apache.lucene.document;
 
 
 import java.lang.reflect.Method;
-import java.lang.reflect.Modifier;
-
 import org.apache.lucene.document.FieldType.LegacyNumericType;
 import org.apache.lucene.index.DocValuesType;
 import org.apache.lucene.index.IndexOptions;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/Test2BPoints.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/Test2BPoints.java b/lucene/core/src/test/org/apache/lucene/index/Test2BPoints.java
index da8dbac..892ab6c 100644
--- a/lucene/core/src/test/org/apache/lucene/index/Test2BPoints.java
+++ b/lucene/core/src/test/org/apache/lucene/index/Test2BPoints.java
@@ -16,14 +16,8 @@
  */
 package org.apache.lucene.index;
 
-import java.io.IOException;
-
 import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.codecs.Codec;
-import org.apache.lucene.codecs.FilterCodec;
-import org.apache.lucene.codecs.PointsFormat;
-import org.apache.lucene.codecs.PointsReader;
-import org.apache.lucene.codecs.PointsWriter;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.LongPoint;
 import org.apache.lucene.search.IndexSearcher;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestBinaryDocValuesUpdates.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestBinaryDocValuesUpdates.java b/lucene/core/src/test/org/apache/lucene/index/TestBinaryDocValuesUpdates.java
index 8dc8a3c..c6cf1c3 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestBinaryDocValuesUpdates.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestBinaryDocValuesUpdates.java
@@ -36,13 +36,11 @@ import org.apache.lucene.document.SortedDocValuesField;
 import org.apache.lucene.document.SortedSetDocValuesField;
 import org.apache.lucene.document.StringField;
 import org.apache.lucene.store.Directory;
-import org.apache.lucene.store.MockDirectoryWrapper;
 import org.apache.lucene.store.NRTCachingDirectory;
 import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.IOUtils;
 import org.apache.lucene.util.LuceneTestCase;
-import org.apache.lucene.util.LuceneTestCase.Nightly;
 import org.apache.lucene.util.TestUtil;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestCodecs.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestCodecs.java b/lucene/core/src/test/org/apache/lucene/index/TestCodecs.java
index bd1e9b6..79783b5 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestCodecs.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestCodecs.java
@@ -17,7 +17,6 @@
 package org.apache.lucene.index;
 
 
-import java.io.IOException;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
@@ -33,11 +32,7 @@ import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field.Store;
 import org.apache.lucene.document.StringField;
 import org.apache.lucene.search.DocIdSetIterator;
-import org.apache.lucene.search.IndexSearcher;
-import org.apache.lucene.search.Query;
-import org.apache.lucene.search.ScoreDoc;
 import org.apache.lucene.store.Directory;
-import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.IOUtils;
 import org.apache.lucene.util.InfoStream;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestDirectoryReader.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestDirectoryReader.java b/lucene/core/src/test/org/apache/lucene/index/TestDirectoryReader.java
index 8e62094..8c7090e 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestDirectoryReader.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestDirectoryReader.java
@@ -19,7 +19,6 @@ package org.apache.lucene.index;
 
 import java.io.FileNotFoundException;
 import java.io.IOException;
-import java.nio.file.Files;
 import java.nio.file.NoSuchFileException;
 import java.nio.file.Path;
 import java.util.Collection;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestDocIDMerger.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestDocIDMerger.java b/lucene/core/src/test/org/apache/lucene/index/TestDocIDMerger.java
index 003db9e..d957646 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestDocIDMerger.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestDocIDMerger.java
@@ -17,10 +17,8 @@
 package org.apache.lucene.index;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 
-import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.FixedBitSet;
 import org.apache.lucene.util.LuceneTestCase;
 import org.apache.lucene.util.TestUtil;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestDocsAndPositions.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestDocsAndPositions.java b/lucene/core/src/test/org/apache/lucene/index/TestDocsAndPositions.java
index 2ef5824..cc1f2be 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestDocsAndPositions.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestDocsAndPositions.java
@@ -27,7 +27,6 @@ import org.apache.lucene.document.FieldType;
 import org.apache.lucene.document.TextField;
 import org.apache.lucene.search.DocIdSetIterator;
 import org.apache.lucene.store.Directory;
-import org.apache.lucene.util.Bits;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.LuceneTestCase;
 import org.apache.lucene.util.TestUtil;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestFieldsReader.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestFieldsReader.java b/lucene/core/src/test/org/apache/lucene/index/TestFieldsReader.java
index 30ac6c6..48d69ec 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestFieldsReader.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestFieldsReader.java
@@ -32,7 +32,6 @@ import org.apache.lucene.store.Directory;
 import org.apache.lucene.store.FilterDirectory;
 import org.apache.lucene.store.IOContext;
 import org.apache.lucene.store.IndexInput;
-import org.apache.lucene.util.IOUtils;
 import org.apache.lucene.util.LuceneTestCase;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestIndexFileDeleter.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestIndexFileDeleter.java b/lucene/core/src/test/org/apache/lucene/index/TestIndexFileDeleter.java
index ecebb18..0191e25 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestIndexFileDeleter.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestIndexFileDeleter.java
@@ -18,8 +18,6 @@ package org.apache.lucene.index;
 
 
 import java.io.*;
-import java.net.URI;
-import java.nio.file.FileSystem;
 import java.nio.file.Path;
 import java.util.*;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -29,8 +27,6 @@ import org.apache.lucene.codecs.simpletext.SimpleTextCodec;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field;
 import org.apache.lucene.index.IndexWriterConfig.OpenMode;
-import org.apache.lucene.mockfile.FilterPath;
-import org.apache.lucene.mockfile.VirusCheckingFS;
 import org.apache.lucene.store.AlreadyClosedException;
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.store.IOContext;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestIndexInput.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestIndexInput.java b/lucene/core/src/test/org/apache/lucene/index/TestIndexInput.java
index d5e5d92..2b4f764 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestIndexInput.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestIndexInput.java
@@ -19,16 +19,12 @@ package org.apache.lucene.index;
 
 import org.apache.lucene.util.LuceneTestCase;
 import org.apache.lucene.util.TestUtil;
-import org.apache.lucene.util.TestUtil;
-import org.apache.lucene.store.BufferedIndexInput;
 import org.apache.lucene.store.ByteArrayDataInput;
 import org.apache.lucene.store.ByteArrayDataOutput;
 import org.apache.lucene.store.DataInput;
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.store.IndexInput;
 import org.apache.lucene.store.IndexOutput;
-import org.apache.lucene.store.RAMDirectory;
-
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestIndexSorting.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestIndexSorting.java b/lucene/core/src/test/org/apache/lucene/index/TestIndexSorting.java
index 4e775f3..b91bb9b 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestIndexSorting.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestIndexSorting.java
@@ -19,7 +19,6 @@ package org.apache.lucene.index;
 
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -53,11 +52,7 @@ import org.apache.lucene.document.SortedSetDocValuesField;
 import org.apache.lucene.document.StoredField;
 import org.apache.lucene.document.StringField;
 import org.apache.lucene.document.TextField;
-import org.apache.lucene.index.PointValues.IntersectVisitor;
-import org.apache.lucene.index.PointValues.Relation;
-import org.apache.lucene.index.TermsEnum.SeekStatus;
 import org.apache.lucene.search.CollectionStatistics;
-import org.apache.lucene.search.DocIdSetIterator;
 import org.apache.lucene.search.EarlyTerminatingSortingCollector;
 import org.apache.lucene.search.FieldDoc;
 import org.apache.lucene.search.IndexSearcher;
@@ -79,8 +74,6 @@ import org.apache.lucene.util.IOUtils;
 import org.apache.lucene.util.LuceneTestCase;
 import org.apache.lucene.util.NumericUtils;
 import org.apache.lucene.util.TestUtil;
-import org.junit.AfterClass;
-import org.junit.BeforeClass;
 
 public class TestIndexSorting extends LuceneTestCase {
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestIndexWriter.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestIndexWriter.java b/lucene/core/src/test/org/apache/lucene/index/TestIndexWriter.java
index fb3e07e..912af72 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestIndexWriter.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestIndexWriter.java
@@ -29,7 +29,6 @@ import java.nio.file.NoSuchFileException;
 import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
@@ -69,8 +68,6 @@ import org.apache.lucene.search.IndexSearcher;
 import org.apache.lucene.search.MatchAllDocsQuery;
 import org.apache.lucene.search.PhraseQuery;
 import org.apache.lucene.search.ScoreDoc;
-import org.apache.lucene.search.Sort;
-import org.apache.lucene.search.SortField;
 import org.apache.lucene.search.TermQuery;
 import org.apache.lucene.store.AlreadyClosedException;
 import org.apache.lucene.store.BaseDirectoryWrapper;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterCommit.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterCommit.java b/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterCommit.java
index ae07641..de380c9 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterCommit.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterCommit.java
@@ -18,7 +18,6 @@ package org.apache.lucene.index;
 
 
 import java.io.IOException;
-import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.atomic.AtomicBoolean;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterConfig.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterConfig.java b/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterConfig.java
index ec033d4..2014c16 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterConfig.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterConfig.java
@@ -34,7 +34,6 @@ import org.apache.lucene.search.similarities.ClassicSimilarity;
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.util.InfoStream;
 import org.apache.lucene.util.LuceneTestCase;
-import org.apache.lucene.util.SetOnce.AlreadySetException;
 import org.junit.Test;
 
 public class TestIndexWriterConfig extends LuceneTestCase {

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterForceMerge.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterForceMerge.java b/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterForceMerge.java
index 28041ae..9940927 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterForceMerge.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterForceMerge.java
@@ -18,10 +18,6 @@ package org.apache.lucene.index;
 
 
 import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
 import java.util.Locale;
 
 import org.apache.lucene.analysis.Analyzer;

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterFromReader.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterFromReader.java b/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterFromReader.java
index 5ee9520..3074f03 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterFromReader.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterFromReader.java
@@ -28,7 +28,6 @@ import org.apache.lucene.store.Directory;
 import org.apache.lucene.store.MockDirectoryWrapper;
 import org.apache.lucene.util.IOUtils;
 import org.apache.lucene.util.LuceneTestCase;
-import org.apache.lucene.util.TestUtil;
 
 public class TestIndexWriterFromReader extends LuceneTestCase {
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterLockRelease.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterLockRelease.java b/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterLockRelease.java
index 9587380..01e73f7 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterLockRelease.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterLockRelease.java
@@ -25,8 +25,6 @@ import org.apache.lucene.analysis.MockAnalyzer;
 import org.apache.lucene.index.IndexWriterConfig.OpenMode;
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.util.LuceneTestCase;
-import org.apache.lucene.util.TestUtil;
-import org.apache.lucene.util.TestUtil;
 
 /**
  * This tests the patch for issue #LUCENE-715 (IndexWriter does not

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterOnDiskFull.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterOnDiskFull.java b/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterOnDiskFull.java
index b7d0b29..e1f42f8 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterOnDiskFull.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterOnDiskFull.java
@@ -38,8 +38,6 @@ import org.apache.lucene.store.RAMDirectory;
 import org.apache.lucene.util.LuceneTestCase;
 import org.apache.lucene.util.TestUtil;
 
-import static org.apache.lucene.index.TestIndexWriter.assertNoUnreferencedFiles;
-
 /**
  * Tests for IndexWriter when the disk runs out of space
  */

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestIndexingSequenceNumbers.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestIndexingSequenceNumbers.java b/lucene/core/src/test/org/apache/lucene/index/TestIndexingSequenceNumbers.java
index 9c7a6f9..8d4c5c7 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestIndexingSequenceNumbers.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestIndexingSequenceNumbers.java
@@ -23,7 +23,6 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.atomic.AtomicInteger;
 
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field;
@@ -36,7 +35,6 @@ import org.apache.lucene.search.TermQuery;
 import org.apache.lucene.search.TopDocs;
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.util.Bits;
-import org.apache.lucene.util.LuceneTestCase.SuppressCodecs;
 import org.apache.lucene.util.LuceneTestCase;
 import org.apache.lucene.util.TestUtil;
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/21bc7ef1/lucene/core/src/test/org/apache/lucene/index/TestMergeRateLimiter.java
----------------------------------------------------------------------
diff --git a/lucene/core/src/test/org/apache/lucene/index/TestMergeRateLimiter.java b/lucene/core/src/test/org/apache/lucene/index/TestMergeRateLimiter.java
index 670bcdb..ef922bb 100644
--- a/lucene/core/src/test/org/apache/lucene/index/TestMergeRateLimiter.java
+++ b/lucene/core/src/test/org/apache/lucene/index/TestMergeRateLimiter.java
@@ -17,8 +17,6 @@
 package org.apache.lucene.index;
 
 
-import java.util.Collections;
-
 import org.apache.lucene.document.Document;
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.util.LuceneTestCase;