import { Observable } from 'rxjs';
import { ControlSpecification } from '../types/specification.types';
import { AbstractControl } from '../types/control.types';
export declare class DragService {
    private dragEventSubject;
    private dragEndAtControlSubject;
    private dragEndSubject;
    constructor();
    sendDragEvent(event: DragEvent): void;
    readonly dragEvent$: Observable<DragEvent>;
    sendDragEndAtControl(event: AbstractControl<any> | any): void;
    readonly dragEndAtControl$: Observable<AbstractControl<any> | any>;
    sendDragEnd(event: ControlSpecification): void;
    readonly dragEnd$: Observable<ControlSpecification>;
}
export interface DragEvent {
    eventType: DragEventType;
    specification?: ControlSpecification;
    offset?: {
        x: number;
        y: number;
    };
}
export declare enum DragEventType {
    Begin = 0,
    Draging = 1,
    End = 2
}