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@angular/cdk

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Angular Material Component Development Kit

github.com/angular/components

angular/components

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/** * @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 */ /** * Checks whether the user's browser supports passive event listeners. * See: https://github.com/WICG/EventListenerOptions/blob/gh-pages/explainer.md */ export declare function supportsPassiveEventListeners(): boolean; /** * Normalizes an `AddEventListener` object to something that can be passed * to `addEventListener` on any browser, no matter whether it supports the * `options` parameter. * @param options Object to be normalized. */ export declare function normalizePassiveListenerOptions(options: AddEventListenerOptions): AddEventListenerOptions | boolean;