code: public ResponseBuilder withSpeech(String speechText, com.amazon.ask.model.ui.PlayBehavior playBehavior) {
          this.speech = SsmlOutputSpeech.builder()
                  .withSsml("<speak>" + trimOutputSpeech(speechText) + "</speak>")
                  .withPlayBehavior(playBehavior)
                  .build();
          return this;
      }
docs: Sets {@link OutputSpeech} on the response. Speech is always wrapped in SSML tags.
  
  @param speechText speech text
  @param playBehavior determines the queuing and playback of this output speech
  @return response builder