export declare const CODE_BACKSPACE: string; export declare const CODE_BREAK = 19; export declare const CODE_DELETE = 46; export declare const CODE_DOWN: string; export declare const CODE_END: string; export declare const CODE_ENTER = 13; export declare const CODE_ESC = 27; export declare const CODE_HOME: string; export declare const CODE_LEFT = 37; export declare const CODE_PAGEDOWN: string; export declare const CODE_PAGEUP: string; export declare const CODE_RIGHT = 39; export declare const CODE_SPACE = 32; export declare const CODE_UP: string;