/**
 * @description
 * Controls the rendering of the eye, overlay, and background.
 * ```
 * let jibo = require('jibo');
 * jibo.init('face', () => {
 *    // Setup complete!
 * });
 * ```
 * @namespace jibo.face
 */

    /**
     * Entire width of Jibo's face.
     * @name jibo.face.WIDTH
     * @type {int}
     * @default 1280
     * @readOnly
     */

    /**
     * Entire height of Jibo's face.
     * @name jibo.face.HEIGHT
     * @type {int}
     * @default 720
     * @readOnly
     */

    /**
     * Stage container for all PIXI display objects.
     * @name jibo.face#stage
     * @type {PIXI.Container}
     */

    /**
     * If the display is updating.
     * @name jibo.face#_paused
     * @type {Boolean}
     * @private
     */

    /**
     * Instance of the update timer for handling events.
     * @name jibo.face#_timer
     * @type {jibo.timer}
     * @private
     */

    /**
     * Instance to the GUI/View Manager.
     * @private
     * @name jibo.face#_views
     * @type {jibo.face.views}
     */

    /**
     * Instance to the GestureManager for input gestures.
     * @private
     * @name jibo.face#_gestures
     * @type {jibo.face.GestureManager}
     */

    /**
     * Instance to the Eye display.
     * @private
     * @name jibo.face#_eye
     * @type {jibo.face.EyeContainer}
     */

    /**
     * Creates the canvas for the renderer.
     * @private
     * @method jibo.face.createView
     */

    /**
     * Adds a face animation to play.
     * @private
     * @method jibo.face#init
     * @param {HTMLElement} element HTML element which will contain the view
     * @param {boolean} [prepWorkers=true] If Crunch texture loading workers should be prepared. Should be left as the default of true, unless in the SDK.
     */

    /**
     * Manage the views on Jibo's face.
     * @name jibo.face#views
     * @type {jibo.face.views}
     */

    /**
     * Create and manage the input gestures.
     * @name jibo.face#gestures
     * @type {jibo.face.GestureManager}
     */

    /**
     * Tweens manager.
     * @name jibo.face#tween
     * @type {jibo.face.TweenManager}
     */

    /**
     * Representation of the eye itself.
     * @name jibo.face#eye
     * @type {jibo.face.EyeContainer}
     */

    /**
     * Update/render the stage.
     * @method jibo.face#update
     * @private
     * @param {int} elapsed Time in milliseconds since the last update
     */

    /**
     * If `true`, pauses the face renderer completely.
     * @name jibo.face#paused
     * @type {boolean}
     */