[GitHub] [dubbo] Byron4j opened issue #5679: why org.apache.dubbo.config.AbstractInterfaceConfig#setApplication is `@Deprecated`?

["Byron4j (GitHub)" <gi...@apache.org>]

- [ ] I have searched the [issues](https://github.com/apache/dubbo/issues) of this repository and believe that this is not a duplicate.
- [ ] I have checked the [FAQ](https://github.com/apache/dubbo/blob/master/FAQ.md) of this repository and believe that this is not a duplicate.

### Environment

* Dubbo version: 2.7.5
* Operating System version: Win10
* Java version: JDK8

### Steps to reproduce this issue

1. use dubbo API show provider application
```
ServiceConfig<GreetingsService> service = new ServiceConfig<>();
        service.setApplication(new ApplicationConfig("first-dubbo-provider"));
```
3. but find this method is annotated by `@Deprecated`

If i want to show a demo with dubbo API to my students， where can i find a method which with no `@Deprecated` ？

-------

Pls. provide [GitHub address] to reproduce this issue.

### Expected Result

What do you expected from the above steps？

### Actual Result

What actually happens?

If there is an exception, please attach the exception trace:

```
Just put your stack trace here!
```


[ Full content available at: https://github.com/apache/dubbo/issues/5679 ]
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