/**-----------------------------------------------------------------------------------------
* Copyright © 2026 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import { AbstractControl } from '@angular/forms';
/**
 * @hidden
 */
export declare const markAllAsTouched: (control: AbstractControl) => void;
/**
 * @hidden
 */
export declare function diff(obj1: any, obj2: any, fields: any[]): boolean;
/**
 * @hidden
 */
export declare function areEqual(value1: any, value2: any): boolean;
/**
 * @hidden
 */
export declare function seriesDate(head: any, occurrence: any, current: any, field: string): Date;
/**
 * @hidden
 */
export declare function updateRecurrenceRule(valueSrc: any, valueGoal: any): string;