code: public BatchDetectDominantLanguageItemResult withLanguages(DominantLanguage... languages) {
          if (this.languages == null) {
              setLanguages(new java.util.ArrayList<DominantLanguage>(languages.length));
          }
          for (DominantLanguage ele : languages) {
              this.languages.add(ele);
          }
          return this;
      }
docs: <p>
  One or more <a>DominantLanguage</a> objects describing the dominant languages in the document.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setLanguages(java.util.Collection)} or {@link #withLanguages(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param languages
  One or more <a>DominantLanguage</a> objects describing the dominant languages in the document.
  @return Returns a reference to this object so that method calls can be chained together.