class ClientCallImpl extends ClientCall<ReqT, RespT> {

  @Override
  public Attributes getAttributes() {
    if (stream != null) {
      return stream.getAttributes();
    }
    return Attributes.EMPTY;
  }

    ClientCallImpl(
      MethodDescriptor<ReqT, RespT> method, Executor executor, CallOptions callOptions,
      ClientTransportProvider clientTransportProvider,
      ScheduledExecutorService deadlineCancellationExecutor,
      CallTracer channelCallsTracer,
      boolean retryEnabled);

}