im-angular-validators/lib/validators/credit-card.validator.d.ts

This library will help you with lots of already written mostly used validators for Angular 2+ applications.

import { ValidatorFn } from '@angular/forms';
import { IMCreditCardTypeValidatorEnum } from '../enums/credit-card-type.enum';
export declare class IMCreditCardValidatorConfigModel {
    creditCardType: IMCreditCardTypeValidatorEnum;
}
export declare const IMCreditCardValidator: (config?: IMCreditCardValidatorConfigModel) => ValidatorFn;