code: public void setUtterances(java.util.Collection<UtteranceData> utterances) {
          if (utterances == null) {
              this.utterances = null;
              return;
          }
  
          this.utterances = new java.util.ArrayList<UtteranceData>(utterances);
      }
docs: <p>
  One or more <a>UtteranceData</a> objects that contain information about the utterances that have been made to a
  bot. The maximum number of object is 100.
  </p>
  
  @param utterances
  One or more <a>UtteranceData</a> objects that contain information about the utterances that have been made
  to a bot. The maximum number of object is 100.