class ForwardingManagedChannel extends ManagedChannel {

  @Override
  public <RequestT, ResponseT> ClientCall<RequestT, ResponseT> newCall(
      MethodDescriptor<RequestT, ResponseT> methodDescriptor, CallOptions callOptions) {
    return delegate.newCall(methodDescriptor, callOptions);
  }

    ForwardingManagedChannel(ManagedChannel delegate);

}