code: public Stack withNotificationARNs(String... notificationARNs) {
          if (this.notificationARNs == null) {
              setNotificationARNs(new com.amazonaws.internal.SdkInternalList<String>(notificationARNs.length));
          }
          for (String ele : notificationARNs) {
              this.notificationARNs.add(ele);
          }
          return this;
      }
docs: <p>
  SNS topic ARNs to which stack related events are published.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setNotificationARNs(java.util.Collection)} or {@link #withNotificationARNs(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param notificationARNs
  SNS topic ARNs to which stack related events are published.
  @return Returns a reference to this object so that method calls can be chained together.