/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { NgZone, ElementRef } from '@angular/core';
import { ViewportRuler } from 'cdk/scrolling';
import { DragRef, DragRefConfig } from './drag-ref';
import { DropListRef } from './drop-list-ref';
import { DragDropRegistry } from './drag-drop-registry';
/**
 * Service that allows for drag-and-drop functionality to be attached to DOM elements.
 */
import * as ɵngcc0 from '@angular/core';
export declare class DragDrop {
	private _document;
	private _ngZone;
	private _viewportRuler;
	private _dragDropRegistry;
	constructor(
		_document: any,
		_ngZone: NgZone,
		_viewportRuler: ViewportRuler,
		_dragDropRegistry: DragDropRegistry<DragRef, DropListRef>
	);
	/**
	 * Turns an element into a draggable item.
	 * @param element Element to which to attach the dragging functionality.
	 * @param config Object used to configure the dragging behavior.
	 */
	createDrag<T = any>(
		element: ElementRef<HTMLElement> | HTMLElement,
		config?: DragRefConfig
	): DragRef<T>;
	/**
	 * Turns an element into a drop list.
	 * @param element Element to which to attach the drop list functionality.
	 */
	createDropList<T = any>(
		element: ElementRef<HTMLElement> | HTMLElement
	): DropListRef<T>;
	static ɵfac: ɵngcc0.ɵɵFactoryDef<DragDrop, never>;
}

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