/**
 * Loads an animation timeline with PixiAnimate.
 * @class TimelineTask
 * @memberof jibo.loader
 * @private
 * @param {String} asset.type Must be "texture" to signify that this asset should be parsed
 *                            specifically for Pixi.js.
 * @param {String} [asset.src] The texture image path.
 * @param {Boolean} [asset.upload=false] Upload the GPU immediate after loading.
 * @param {String} [asset.alpha] The alpha image path, if not using image property.
 * @param {Boolean} [asset.cache=false] `true` to cache the result.
 * @param {String} [asset.id] The ID of the task.
 * @param {Function} [asset.complete] The callback to call when the load is completed.
 */

    /**
     * Tests if an asset should be loaded.
     * @method jibo.loader.TimelineTask.test
     * @static
     * @param {Object} asset The asset to test.
     * @return {Boolean} `true` if the asset qualifies for this task.
     */

        /**
         * The timeline source path.
         * @name jibo.loader.TimelineTask#src
         * @type {String}
         */

        /**
         * Texture are uploaded to the GPU immediately.
         * @name jibo.loader.TimelineTask#upload
         * @type {Boolean}
         */

        /**
         * Cause timeline to add an instance on load.
         * @name jibo.loader.TimelineTask#instance
         * @type {Boolean}
         */

    /**
     * Starts the load.
     * @method jibo.loader.TimelineTask#start
     * @param {jibo.loader.Task~completeCallback} callback Callback to call when the load is done
     */