Interface XRControllerEvent

interface XRControllerEvent {
    buttons: {
        A: boolean;
        B: boolean;
        LeftPinch: boolean;
        LeftTrigger: boolean;
        RightPinch: boolean;
        RightTrigger: boolean;
        X: boolean;
        Y: boolean;
    };
    defaultPrevented: boolean;
    left: XRControllerState;
    right: XRControllerState;
    timeStamp: number;
    type: string;
    preventDefault(): void;
}