export declare const ZERO = "0";
export declare const ONE = "1";
export declare const TWO = "2";
export declare const THREE = "3";
export declare const FOUR = "4";
export declare const FIVE = "5";
export declare const SIX = "6";
export declare const SEVEN = "7";
export declare const EIGHT = "8";
export declare const NINE = "9";
export declare const DOT = ".";
export declare const DEL = "del";
export declare const ENTER = "enter";
export declare const ESC = "esc";
export declare const BLANK = "";