type Point = number[]; interface PointerInfo { origin: Point; point: Point; shiftKey: boolean; ctrlKey: boolean; metaKey: boolean; } declare class Input { pointer?: PointerInfo; onPointerDown(event: React.PointerEvent): PointerInfo; onPointerMove(event: React.PointerEvent): PointerInfo; onPointerUp(event: React.PointerEvent): PointerInfo; } export { Input, Point, PointerInfo };