code: public java.util.List<String> getStagesAvailable() {
          if (stagesAvailable == null) {
              stagesAvailable = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return stagesAvailable;
      }
docs: <p>
  The stage of the template that you can retrieve. For stacks, the <code>Original</code> and <code>Processed</code>
  templates are always available. For change sets, the <code>Original</code> template is always available. After
  AWS CloudFormation finishes creating the change set, the <code>Processed</code> template becomes available.
  </p>
  
  @return The stage of the template that you can retrieve. For stacks, the <code>Original</code> and
  <code>Processed</code> templates are always available. For change sets, the <code>Original</code>
  template is always available. After AWS CloudFormation finishes creating the change set, the
  <code>Processed</code> template becomes available.
  @see TemplateStage