import { AbstractControl, ValidationErrors, Validator } from '@angular/forms';
import * as i0 from "@angular/core";
export declare class FunctionValidatorDirective implements Validator {
    aclValidateFn: (control: AbstractControl) => ValidationErrors | null;
    onValidatorChange: () => void;
    validate(control: AbstractControl): ValidationErrors;
    registerOnValidatorChange(fn: () => void): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<FunctionValidatorDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<FunctionValidatorDirective, "[aclValidateFn][ngModel],[aclValidateFn][formControl],[aclValidateFn][formControlName]", never, { "aclValidateFn": "aclValidateFn"; }, {}, never, never, false>;
}
