export declare class KeyCode {
    static backspace: number;
    static tab: number;
    static enter: number;
    static shift: number;
    static ctrl: number;
    static alt: number;
    static esc: number;
    static space: number;
    static pageUp: number;
    static pageDown: number;
    static end: number;
    static home: number;
    static left: number;
    static up: number;
    static right: number;
    static down: number;
    static insert: number;
    static delete: number;
    static a: number;
}
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