import { UntypedFormControl } from '@angular/forms';
export declare function MustMatch(matchingControlName: string): (control: UntypedFormControl) => {
    mustmatch: boolean;
} | {
    mustmatch?: undefined;
};
export declare function MustBeUnique(options: string[]): (control: UntypedFormControl) => {
    [key: string]: any;
};
