code: def log_assist_request_without_audio(assist_request):
      
      if logging.getLogger().isEnabledFor(logging.DEBUG):
          resp_copy = embedded_assistant_pb2.AssistRequest()
          resp_copy.CopyFrom(assist_request)
          if len(resp_copy.audio_in) > 0:
              size = len(resp_copy.audio_in)
              resp_copy.ClearField('audio_in')
              logging.debug('AssistRequest: audio_in (%d bytes)',
                            size)
              return
          logging.debug('AssistRequest: %s', resp_copy)
docs: Log AssistRequest fields without audio data.