import { AfterViewInit, ElementRef, EventEmitter, OnDestroy, TemplateRef, NgZone } from '@angular/core';
import { DragDispatcher2 } from '../drag-dispatcher.service';
import { DropTarget } from '../drop-target/drop-target.directive';
export declare class DragSource<T = any> implements AfterViewInit, OnDestroy {
    private readonly ngZone;
    private readonly elementRef;
    private readonly dragDispatcher;
    readonly parent: DropTarget;
    id: string;
    item: T;
    itemType: string;
    canDrag: boolean;
    dragPreview?: HTMLElement | TemplateRef<any>;
    dragging: EventEmitter<boolean>;
    dropped: EventEmitter<T>;
    readonly hostElement: any;
    isDragging: boolean;
    canDrop: boolean;
    readonly bounds: DOMRect;
    private _isDragging;
    private _canDrop;
    private readonly eventStream;
    constructor(ngZone: NgZone, elementRef: ElementRef, dragDispatcher: DragDispatcher2, parent?: DropTarget);
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    private beginDrag();
}