import { Observable } from 'rxjs';
import { IRequest } from '../../cqrs';
import { FValidatorBase } from './f-validator-base';
import * as i0 from "@angular/core";
export declare class FEmptyValidator<TRequest extends IRequest<TResponse>, TResponse> extends FValidatorBase<TRequest, TResponse> {
    validate(request: TRequest): Observable<Error[]>;
    static ɵfac: i0.ɵɵFactoryDeclaration<FEmptyValidator<any, any>, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<FEmptyValidator<any, any>>;
}