/**
* @function
* @param {String} event
* @param {Function} handler
*/
off(event, handler) {
this[emitter].off(event, handler);
}
return () => {
this[emitter].off(event, handler);
};
/**
* @param event
* @param callback
*/
off(event, callback) {
this._ee.off(event, callback);
}
off(){
emitter.off(...arguments);
}
off (event, listener) {
this._eventEmitter.off(event, listener)
}