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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
- */
- /**
- * Patches an elements focus and blur methods to emit events consistently and predictably.
- * This is necessary, because some browsers, like IE11, will call the focus handlers asynchronously,
- * while others won't fire them at all if the browser window is not focused.
- * @docs-private
- */
- export declare function patchElementFocus(element: HTMLElement): void;
- /** @docs-private */
- export declare function triggerFocus(element: HTMLElement): void;
- /** @docs-private */
- export declare function triggerBlur(element: HTMLElement): void;
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