code: public java.util.List<String> getStepIds() {
          if (stepIds == null) {
              stepIds = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return stepIds;
      }
docs: <p>
  The list of <code>StepIDs</code> to cancel. Use <a>ListSteps</a> to get steps and their states for the specified
  cluster.
  </p>
  
  @return The list of <code>StepIDs</code> to cancel. Use <a>ListSteps</a> to get steps and their states for the
  specified cluster.