@Output() resetHeroName() {
     this.nextHero.name = "default";
 }

export const output = <T>(target: T, propertyKey: string) => Output()(target, propertyKey);

 @Output()
 public get isOpenChange():EventEmitter<boolean> {
     return this._service.isOpenChange;
 }

 @Output()
 public get isVisibleChange():EventEmitter<boolean> {
     return this.service.isVisibleChange;
 }

 @Output()
 public get onToggle():EventEmitter<boolean> {
     return this._service.onToggle;
 }