import { AbstractControl } from '@angular/forms';
import { Subscription } from 'rxjs';
import * as i0 from "@angular/core";
export declare class DValidateSyncService {
    controlsMap: Map<string, AbstractControl[]>;
    controlsSubMap: Map<AbstractControl, Subscription>;
    constructor();
    addControl(key: string, cd: AbstractControl): void;
    removeControl(key: string, cd: AbstractControl): void;
    validateControlsSync(key: string, cd: AbstractControl): void;
    _addControlSubscription(key: string, cd: AbstractControl): void;
    _removeControlSubscription(cd: AbstractControl): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DValidateSyncService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<DValidateSyncService>;
}