text: public virtual GetApnsSandboxChannelResponse GetApnsSandboxChannel(GetApnsSandboxChannelRequest request){var options = new InvokeOptions();options.RequestMarshaller = GetApnsSandboxChannelRequestMarshaller.Instance;options.ResponseUnmarshaller = GetApnsSandboxChannelResponseUnmarshaller.Instance;return Invoke<GetApnsSandboxChannelResponse>(request, options);}