code: public ListActivatedRulesInRuleGroupResult withActivatedRules(ActivatedRule... activatedRules) {
          if (this.activatedRules == null) {
              setActivatedRules(new java.util.ArrayList<ActivatedRule>(activatedRules.length));
          }
          for (ActivatedRule ele : activatedRules) {
              this.activatedRules.add(ele);
          }
          return this;
      }
docs: <p>
  An array of <code>ActivatedRules</code> objects.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setActivatedRules(java.util.Collection)} or {@link #withActivatedRules(java.util.Collection)} if you want
  to override the existing values.
  </p>
  
  @param activatedRules
  An array of <code>ActivatedRules</code> objects.
  @return Returns a reference to this object so that method calls can be chained together.