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2# API Client Generator for Java
3
4Generates a Java client library from protocol buffers.
5Replaces the Java parts of the
6[older monolithic generator](https://github.com/googleapis/gapic-generator).
7
8See [DEVELOPMENT.md](DEVELOPMENT.md) for setting up development environment.
9
10## service_config.proto
11
12We use the `src/main/proto/service_config.proto` file to generate corresponding
13Java class files.
14They are needed to generate client libraries for gRPC-based Google services.
15
16The source of `src/main/proto/service_config.proto` is the
17[https://github.com/grpc/grpc-proto repository](
18https://github.com/grpc/grpc-proto/blob/master/grpc/service_config/service_config.proto).
19We copy the file from the repository when a new enhancement is made in the file
20and the service team asks us to incorporate the enhancement into the code
21generator.
22