export declare enum KeyCode {
    backspace = 8,
    space = 32,
    down = 40,
    left = 37,
    right = 39,
    up = 38,
    escape = 27,
    enter = 13,
    tab = 9,
    shift = 16,
    control = 17,
    alt = 18,
    meta = 91
}