/**-----------------------------------------------------------------------------------------
* Copyright © 2026 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import { Observable } from 'rxjs';
import { MappingService } from '../common/mapping.service';
import { DependencyDomArgs } from './dom-dependency-args';
import * as i0 from "@angular/core";
/**
 * @hidden
 */
export declare class DependencyDomService {
    private mapper;
    /**
     * Emits each time some of the tasks or the view have changed.
     * Fires also on the first change of the table rows and the parent container.
     */
    get taskChanges(): Observable<DependencyDomArgs>;
    get dependencyDomArgs(): DependencyDomArgs;
    private notifier;
    /**
     * The row element in the Timeline part of the Gantt.
     */
    private timelineRow;
    /**
     * Used to get retrieve the offset of the task elements relative to the parent container.
     */
    private contentContainer;
    /**
     * Maps each rendered task to its HTML element.
     * Uses the task ID field value as key.
     */
    private tasks;
    constructor(mapper: MappingService);
    ngOnDestroy(): void;
    registerTimelineRow(timelineRow: HTMLElement): void;
    registerContentContainer(contentContainer: HTMLElement): void;
    registerTask(task: any, element: HTMLElement): void;
    unregisterTask(task: any): void;
    /**
     * Notifies all dependency directives that a change in one of the elements has occured.
     */
    notifyChanges(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DependencyDomService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<DependencyDomService>;
}