text: export default class Event {
    /**
     * @classdesc
     * This class represents a custom event. Events should be fired by the {@link Listener} class.
     *
     * ```js
     *  let customEvent = new Event();
     *  customEvent.properties = {};
     *
     *  let listeners = new Listeners();
     *  listeners.newListener(eventName, callback);
     *
     *  listeners.fire(eventName, customEvent) *
     * ```
     * @constructs
     */
    constructor() {
      /**
       * Indicates if the event should be cancelled.
       * @type {Boolean}
       */
  
      this.cancelled = false;
      /**
       * Indicates if the event should be prevented.
       * @type {Boolean}
       */
      this.defaultPrevented = false;
    }
  
    /**
     * Cancels the event.
     */
    cancel() {
      this.cancelled = true;
    }
  
    /**
     * Prevents the default action.
     */
    preventDefault() {
      this.defaultPrevented = true;
    }
  }
  