type ModifierKeys = 'Alt' | 'AltGraph' | 'CapsLock' | 'Control' | 'Fn' | 'FnLock' | 'Hyper' | 'Meta' | 'NumLock' | 'ScrollLock' | 'Shift' | 'Super' | 'Symbol' | 'SymbolLock';
type WhitespaceKeys = 'Enter' | 'Tab' | ' ';
type NavigationKeys = 'ArrowDown' | 'ArrowLeft' | 'ArrowRight' | 'ArrowUp' | 'End' | 'Home' | 'PageDown' | 'PageUp';
type FunctionKeys = 'F1' | 'F2' | 'F3' | 'F4' | 'F5' | 'F6' | 'F7' | 'F8' | 'F9' | 'F10' | 'F11' | 'F12' | 'F13' | 'F14' | 'F15' | 'F16' | 'F17' | 'F18' | 'F19' | 'F20' | 'Soft1' | 'Soft2' | 'Soft3' | 'Soft4';
type NumericKeypadKeys = 'Decimal' | 'Key11' | 'Key12' | 'Multiply' | 'Add' | 'Clear' | 'Divide' | 'Subtract' | 'Separator' | '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9';
type LiteralUnion<T extends U, U = string> = T | (U & {
    zz_IGNORE_ME?: never;
});
type Keys = LiteralUnion<ModifierKeys | WhitespaceKeys | NavigationKeys | FunctionKeys | NumericKeypadKeys>;

export { Keys };