How to use the ember-bootstrap/utils/cp/uses-transition function in ember-bootstrap

* @type integer
   * @default 150
   * @private
   */
  @defaultValue
  fadeDuration = 150;

  /**
   * Use CSS transitions?
   *
   * @property usesTransition
   * @type boolean
   * @readonly
   * @private
   */
  @usesTransition('fade')
  usesTransition;

  /**
   * Show the pane
   *
   * @method show
   * @protected
   */
  show() {
    if (this.get('usesTransition')) {
      transitionEnd(this.get('element'), this.get('fadeDuration'))
        .then(() => {
          if (!this.get('isDestroyed')) {
            this.setProperties({
              active: true,
              showContent: true

* @type number
   * @default 150
   * @public
   */
  @defaultValue
  backdropTransitionDuration = 150;

  /**
   * Use CSS transitions?
   *
   * @property usesTransition
   * @type boolean
   * @readonly
   * @private
   */
  @usesTransition('fade')
  usesTransition;

  /**
   * The DOM element of the `.modal` element.
   *
   * @property modalElement
   * @type object
   * @readonly
   * @private
   */
  get modalElement() {
    return document.getElementById(this.get('modalId'));
  }

  /**
   * The DOM element of the backdrop element.

* Ember.run timer
   *
   * @property timer
   * @private
   */
  timer = null;

  /**
   * Use CSS transitions?
   *
   * @property usesTransition
   * @type boolean
   * @readonly
   * @private
   */
  @usesTransition('fade')
  usesTransition;

  /**
   * The DOM element of the overlay element.
   *
   * @property overlayElement
   * @type object
   * @readonly
   * @private
   */
  get overlayElement() {
    return document.getElementById(this.get('overlayId'));
  }

  /**
   * This action is called immediately when the tooltip/popover is about to be shown.

* @public
   */
  type = 'default';

  @typeClass('alert', 'type')
  typeClass;

  /**
   * Use CSS transitions?
   *
   * @property usesTransition
   * @type boolean
   * @readonly
   * @private
   */
  @usesTransition('fade')
  usesTransition;

  /**
   * The action to be sent after the alert has been dismissed (including the CSS transition).
   *
   * @event onDismissed
   * @public
   */
  onDismissed() {}

  /**
   * The action is called when the close button is clicked.
   *
   * You can return false to prevent closing the alert automatically, and do that in your action by
   * setting `visible` to false.
   *