/**-----------------------------------------------------------------------------------------
* Copyright © 2025 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import { Observable } from 'rxjs';
/**
 * @hidden
 */
export declare const hasChildren: () => boolean;
/**
 * @hidden
 */
export declare const fetchChildren: () => Observable<[]>;
/**
 * @hidden
 */
export declare const rowClassCallback: () => any;
/**
 * @hidden
 */
export declare const taskClassCallback: () => any;
/**
 * @hidden
 */
export declare const isSelected: () => boolean;