docs: static OcAgentTraceServiceConfigRpcHandler create(
        TraceServiceStub stub, TraceConfig traceConfig) {
      OcAgentTraceServiceConfigRpcHandler configRpcHandler =
          new OcAgentTraceServiceConfigRpcHandler(traceConfig);
      UpdatedLibraryConfigObserver updatedLibraryConfigObserver =
          new UpdatedLibraryConfigObserver(traceConfig, configRpcHandler);
      try {
        StreamObserver<CurrentLibraryConfig> currentConfigObserver =
            stub.config(updatedLibraryConfigObserver);
        configRpcHandler.setCurrentConfigObserver(currentConfigObserver);
      } catch (StatusRuntimeException e) {
        configRpcHandler.onComplete(e);
      }
      return configRpcHandler;
    }