Interface DragHandleHandlers

interface DragHandleHandlers {
    onPointerCancel: (e: PointerEvent<Element>) => void;
    onPointerDown: (e: PointerEvent<Element>) => void;
    onPointerMove: (e: PointerEvent<Element>) => void;
    onPointerUp: (e: PointerEvent<Element>) => void;
}