code: public CreateCloudFormationChangeSetRequest withNotificationArns(String... notificationArns) {
          if (this.notificationArns == null) {
              setNotificationArns(new java.util.ArrayList<String>(notificationArns.length));
          }
          for (String ele : notificationArns) {
              this.notificationArns.add(ele);
          }
          return this;
      }
docs: <p>
  This property corresponds to the parameter of the same name for the <i>AWS CloudFormation <a
  href="https://docs.aws.amazon.com/goto/WebAPI/cloudformation-2010-05-15/CreateChangeSet">CreateChangeSet</a> </i>
  API.
  </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
  This property corresponds to the parameter of the same name for the <i>AWS CloudFormation <a
  href="https://docs.aws.amazon.com/goto/WebAPI/cloudformation-2010-05-15/CreateChangeSet"
  >CreateChangeSet</a> </i> API.
  @return Returns a reference to this object so that method calls can be chained together.