import { ValidationErrors, ValidatorFn } from "@angular/forms";
import { Moment } from "moment/moment";
/**
 * Class that represents custom Nui validators
 */
/**
 * @ignore
 */
export declare class NuiValidators {
    /**
     * Validator that returns validation function and checks if value matches integer regex.
     * @param  unsigned
     * @returns
     */
    static integer(unsigned?: boolean): ValidatorFn;
    /**
     * Validator that returns date validation using Moment.isValid method.
     */
    static dateFormat(value: Moment): ValidationErrors | null;
}
