import { AbstractControl } from "@angular/forms";
import { CfFormControl } from "../classes";
import { CfFormArray } from "../classes/form/formarray";
import { CfFormGroup } from "../classes/form/formgroup";
import { CfFormErrors } from "../classes/form/formerrors.class";
export declare function isCfFormControl(abstractControl: AbstractControl): abstractControl is CfFormControl<any, any>;
export declare function isCfFormGroup(abstractControl: AbstractControl): abstractControl is CfFormGroup<any>;
export declare function isCfFormArray(abstractControl: AbstractControl): abstractControl is CfFormArray<any>;
export declare function collectErrors(abstractControl: AbstractControl, cfFormErrors?: CfFormErrors, labelPath?: string[], key?: string | null): CfFormErrors;