How to use the @nut-tree/nut-js.Key.LeftControl function in @nut-tree/nut-js

static readonly F2 = NutKey.F2;
    static readonly F3 = NutKey.F3;
    static readonly F4 = NutKey.F4;
    static readonly F5 = NutKey.F5;
    static readonly F6 = NutKey.F6;
    static readonly F7 = NutKey.F7;
    static readonly F8 = NutKey.F8;
    static readonly F9 = NutKey.F9;
    static readonly F10 = NutKey.F10;
    static readonly F11 = NutKey.F11;
    static readonly F12 = NutKey.F12;
    static readonly F13 = null;
    static readonly F14 = null;
    static readonly F15 = null;
    static readonly SHIFT = NutKey.LeftShift;
    static readonly CTRL = NutKey.LeftControl;
    static readonly ALT = NutKey.LeftAlt;
    static readonly ALTGR = NutKey.RightAlt;
    static readonly META = NutKey.LeftSuper;
    static readonly CMD = NutKey.LeftSuper;
    static readonly WIN = NutKey.LeftSuper;
    static readonly PRINTSCREEN = NutKey.Print;
    static readonly SCROLL_LOCK = NutKey.ScrollLock;
    static readonly PAUSE = NutKey.Pause;
    static readonly CAPS_LOCK = NutKey.CapsLock;
    static readonly NUM0 = NutKey.Num0;
    static readonly NUM1 = NutKey.Num1;
    static readonly NUM2 = NutKey.Num2;
    static readonly NUM3 = NutKey.Num3;
    static readonly NUM4 = NutKey.Num4;
    static readonly NUM5 = NutKey.Num5;
    static readonly NUM6 = NutKey.Num6;