@Directive({
  selector: '[appIdentityRevealed]',
  providers: [{ provide: NG_VALIDATORS, useExisting: IdentityRevealedValidatorDirective, multi: true }]
})
export class IdentityRevealedValidatorDirective implements Validator {
  validate(control: AbstractControl): ValidationErrors {
    return identityRevealedValidator(control)
  }
}