code: public BatchDetectKeyPhrasesItemResult withKeyPhrases(KeyPhrase... keyPhrases) {
          if (this.keyPhrases == null) {
              setKeyPhrases(new java.util.ArrayList<KeyPhrase>(keyPhrases.length));
          }
          for (KeyPhrase ele : keyPhrases) {
              this.keyPhrases.add(ele);
          }
          return this;
      }
docs: <p>
  One or more <a>KeyPhrase</a> objects, one for each key phrase detected in the document.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setKeyPhrases(java.util.Collection)} or {@link #withKeyPhrases(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param keyPhrases
  One or more <a>KeyPhrase</a> objects, one for each key phrase detected in the document.
  @return Returns a reference to this object so that method calls can be chained together.