/**
 * @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
 */
export declare const UP_ARROW = 38;
export declare const DOWN_ARROW = 40;
export declare const RIGHT_ARROW = 39;
export declare const LEFT_ARROW = 37;
export declare const PAGE_UP = 33;
export declare const PAGE_DOWN = 34;
export declare const HOME = 36;
export declare const END = 35;
export declare const ENTER = 13;
export declare const SPACE = 32;
export declare const TAB = 9;
export declare const ESCAPE = 27;
export declare const BACKSPACE = 8;
export declare const DELETE = 46;
export declare const A = 65;
export declare const Z = 90;
export declare const ZERO = 48;
export declare const NINE = 57;
export declare const COMMA = 188;