/**
 * @license
 * Copyright Google Inc. 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 { injectElementRef as render3InjectElementRef } from '../render3/view_engine_compatibility';
/**
 * A wrapper around a native element inside of a View.
 *
 * An `ElementRef` is backed by a render-specific element. In the browser, this is usually a DOM
 * element.
 *
 * @security Permitting direct access to the DOM can make your application more vulnerable to
 * XSS attacks. Carefully review any use of `ElementRef` in your code. For more detail, see the
 * [Security Guide](http://g.co/ng/security).
 *
 * @publicApi
 */
export declare class ElementRef<T = any> {
    /**
     * The underlying native element or `null` if direct access to native elements is not supported
     * (e.g. when the application runs in a web worker).
     *
     * <div class="callout is-critical">
     *   <header>Use with caution</header>
     *   <p>
     *    Use this API as the last resort when direct access to DOM is needed. Use templating and
     *    data-binding provided by Angular instead. Alternatively you can take a look at {@link
     * Renderer2}
     *    which provides API that can safely be used even when direct access to native elements is not
     *    supported.
     *   </p>
     *   <p>
     *    Relying on direct DOM access creates tight coupling between your application and rendering
     *    layers which will make it impossible to separate the two and deploy your application into a
     *    web worker.
     *   </p>
     * </div>
     *
     */
    nativeElement: T;
    constructor(nativeElement: T);
}
export declare const SWITCH_ELEMENT_REF_FACTORY__POST_R3__: typeof render3InjectElementRef;
