export declare const keys: {
    readonly backspace: "Backspace";
    readonly tab: "Tab";
    readonly enter: "Enter";
    readonly shift: "Shift";
    readonly ctrl: "Control";
    readonly alt: "Alt";
    readonly pauseBreak: "Pause";
    readonly capsLock: "CapsLock";
    readonly escape: "Escape";
    readonly space: " ";
    readonly pageUp: "PageUp";
    readonly pageDown: "PageDown";
    readonly end: "End";
    readonly home: "Home";
    readonly leftArrow: "ArrowLeft";
    readonly upArrow: "ArrowUp";
    readonly rightArrow: "ArrowRight";
    readonly downArrow: "ArrowDown";
    readonly printScreen: "PrintScreen";
    readonly insert: "Insert";
    readonly delete: "Delete";
    readonly '0': "0";
    readonly '1': "1";
    readonly '2': "2";
    readonly '3': "3";
    readonly '4': "4";
    readonly '5': "5";
    readonly '6': "6";
    readonly '7': "7";
    readonly '8': "8";
    readonly '9': "9";
    readonly a: "a";
    readonly b: "b";
    readonly c: "c";
    readonly d: "d";
    readonly e: "e";
    readonly f: "f";
    readonly g: "g";
    readonly h: "h";
    readonly i: "i";
    readonly j: "j";
    readonly k: "k";
    readonly l: "l";
    readonly m: "m";
    readonly n: "n";
    readonly o: "o";
    readonly p: "p";
    readonly q: "q";
    readonly r: "r";
    readonly s: "s";
    readonly t: "t";
    readonly u: "u";
    readonly v: "v";
    readonly w: "w";
    readonly x: "x";
    readonly y: "y";
    readonly z: "z";
    readonly A: "A";
    readonly B: "B";
    readonly C: "C";
    readonly D: "D";
    readonly E: "E";
    readonly F: "F";
    readonly G: "G";
    readonly H: "H";
    readonly I: "I";
    readonly J: "J";
    readonly K: "K";
    readonly L: "L";
    readonly M: "M";
    readonly N: "N";
    readonly O: "O";
    readonly P: "P";
    readonly Q: "Q";
    readonly R: "R";
    readonly S: "S";
    readonly T: "T";
    readonly U: "U";
    readonly V: "V";
    readonly W: "W";
    readonly X: "X";
    readonly Y: "Y";
    readonly Z: "Z";
    readonly windowKey: "Meta";
    readonly contextKey: "ContextMenu";
    readonly numpad0: "0";
    readonly numpad1: "1";
    readonly numpad2: "2";
    readonly numpad3: "3";
    readonly numpad4: "4";
    readonly numpad5: "5";
    readonly numpad6: "6";
    readonly numpad7: "7";
    readonly numpad8: "8";
    readonly numpad9: "9";
    readonly multiply: "*";
    readonly add: "+";
    readonly subtract: "-";
    readonly 'decimal-point': ".";
    readonly divide: "/";
    readonly f1: "F1";
    readonly f2: "F2";
    readonly f3: "F3";
    readonly f4: "F4";
    readonly f5: "F5";
    readonly f6: "F6";
    readonly f7: "F7";
    readonly f8: "F8";
    readonly f9: "F9";
    readonly f10: "F10";
    readonly f11: "F11";
    readonly f12: "F12";
    readonly numLock: "NumLock";
    readonly scrollLock: "ScrollLock";
    readonly audioVolumeMute: "AudioVolumeMute";
    readonly audioVolumeDown: "AudioVolumeDown";
    readonly audioVolumeUp: "AudioVolumeUp";
    readonly mediaPlayer: "LaunchMediaPlayer";
    readonly launchApplication1: "LaunchApplication1";
    readonly launchApplication2: "LaunchApplication2";
    readonly semiColon: ";";
    readonly equalSign: "=";
    readonly comma: ",";
    readonly dash: "-";
    readonly period: ".";
    readonly forwardSlash: "/";
    readonly tick: "`";
    readonly openBracket: "[";
    readonly backSlash: "\\";
    readonly closeBracket: "]";
    readonly singleQuote: "'";
};
export type Key = typeof keys[keyof typeof keys];
export declare const alphaKeys: readonly ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"];
export type AlphaKey = typeof alphaKeys[number];
export declare function isAlphaKey(value: string): boolean;
export declare const numberKeys: readonly ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9"];
export type NumberKey = typeof numberKeys[number];
export type AlphaNumericKey = typeof alphaNumericKeys[number];
export declare function isNumberKey(value: string): boolean;
export declare const alphaNumericKeys: readonly ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9"];
export declare function isAlphaNumeric(value: string): boolean;