import * as i0 from "@angular/core";
export declare class DndService {
    private dragElementSubject;
    constructor();
    getDragElementSubject(): import("rxjs").Observable<HTMLElement | null>;
    setCurrentDragElement(element: HTMLElement | null): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DndService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<DndService>;
}