/**
 * @license
 * Copyright Datorama. All Rights Reserved.
 *
 * Use of this source code is governed by an Apache License 2.0 license that can be
 * found in the LICENSE file at https://github.com/datorama/client-core/blob/master/LICENSE
 */
import { FormControl, FormGroup } from '@angular/forms';
export declare function validateRange(group: FormGroup, locale: Locale, format: string): {
    invalidRange: boolean;
};
export declare function validateDate(control: FormControl, locale: Locale, format: string): {
    invalidDate: boolean;
};