import { PipeTransform, EventEmitter } from '@angular/core';
import * as i0 from "@angular/core";
export declare class HasObserversPipe implements PipeTransform {
    transform(output: EventEmitter<unknown>): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<HasObserversPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<HasObserversPipe, "hasObservers", true>;
}