Component = function () {
	        /**
	         * @type {module:zrender/container/Group}
	         * @readOnly
	         */
	        this.group = new Group();

	        /**
	         * @type {string}
	         * @readOnly
	         */
	        this.uid = componentUtil.getUID('viewComponent');
	    }
@param  {module:echarts/data/List} data
@param  {Object} payload
@param  {string} state 'normal'|'emphasis'
@inner