/**
 * @license
 *-------------------------------------------------------------------------------------------
 * Copyright © 2026 Progress Software Corporation. All rights reserved.
 * Licensed under commercial license. See LICENSE.md in the package root for more information
 *-------------------------------------------------------------------------------------------
 */
/**
 * @hidden
 */
export declare const EMPTY_ID = "";
/**
 * @hidden
 */
export declare const ZERO_LEVEL_ZERO_ITEM_ID = "0";
/**
 * @hidden
 */
export declare const SEPARATOR = "_";
/**
 * @hidden
 */
export declare function getItemById(itemId: string, items: any): any;
/**
 * @hidden
 */
export declare function getRootParentId(itemId: string): string;
/**
 * @hidden
 */
export declare function getIdWithoutRootParentId(itemId: string): string;
/**
 * @hidden
 */
export declare function getFirstChildId(itemId: string): string;
/**
 * @hidden
 */
export declare function shouldOpenItem(itemId: string, lastItemIdToBeOpened: string): boolean;
/**
 * @hidden
 */
export declare function createId(childId: string, parentId?: string): string;
/**
 * @hidden
 */
export declare function getDirectParentId(itemId: string): string;
/**
 * @hidden
 */
export declare function isIdEmptyOrZeroLevel(itemId: string): boolean;
/**
 * @hidden
 */
export declare function isIdZeroLevel(itemId: string): boolean;
/**
 * @hidden
 */
export declare function isIdFirstLevel(itemId: string): boolean;
/**
 * @hidden
 */
export declare function isFirstItemFromSiblings(itemId: string): boolean;
/**
 * @hidden
 */
export declare function getShortId(itemId: string): string;
/**
 * @hidden
 */
export declare function getDirectSiblingIdForLevelZero(next: boolean, shortItemId: string, siblingsCount: number): string;