Provides a way to bind instance of service implementation to server.

It is used by service's abstract class generated by compiler (eg.: RouteGuideGrpc.RouteGuideImplBase for RouteGuide service) and lets implementation classes to be bind to server.

class RouteGuideService extends RouteGuideGrpc.RouteGuideImplBase {
  // ...
}

Server server = ServerBuilder.forPort(1234).addService(new RouteGuideService()).build();