import { PipeTransform } from '@angular/core';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class IsEmptyPipe<T extends Record<string, unknown>> implements PipeTransform {
    transform(data: Observable<T>, path?: string): Observable<boolean>;
    static ɵfac: i0.ɵɵFactoryDeclaration<IsEmptyPipe<any>, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<IsEmptyPipe<any>, "isEmpty", true>;
}