text: public virtual StartSpeechSynthesisTaskResponse StartSpeechSynthesisTask(StartSpeechSynthesisTaskRequest request){var options = new InvokeOptions();options.RequestMarshaller = StartSpeechSynthesisTaskRequestMarshaller.Instance;options.ResponseUnmarshaller = StartSpeechSynthesisTaskResponseUnmarshaller.Instance;return Invoke<StartSpeechSynthesisTaskResponse>(request, options);}