import { OnInit, OnDestroy, ElementRef } from '@angular/core';
import { Subscription } from 'rxjs';
import { DragDropSyncService } from '../services/drag-drop-sync.service';
import { DragDropService } from '../services/drag-drop.service';
import { DraggableDirective } from './draggable.directive';
export declare class DragSyncDirective implements OnInit, OnDestroy {
    el: ElementRef;
    private draggable;
    private dragDropSyncService;
    private dragDropService;
    dragSyncGroup: string;
    subscription: Subscription;
    syncGroupDirectives: Array<DragSyncDirective>;
    constructor(el: ElementRef, draggable: DraggableDirective, dragDropSyncService: DragDropSyncService, dragDropService: DragDropService);
    ngOnInit(): void;
    ngOnDestroy(): void;
    subDragElEvent: (bool: boolean) => void;
    renderDisplay(nativeEl: HTMLElement, bool: boolean): void;
}