Interface EventFilters

interface EventFilters {
    blur(event: FocusEvent): boolean;
    contextmenu(event: MouseEvent, pos: PointerPosition): boolean;
    focus(event: FocusEvent): boolean;
    keydown(event: KeyboardEvent): boolean;
    keyup(event: KeyboardEvent): boolean;
    pointercancel(event: PointerEvent, pos: PointerPosition): boolean;
    pointerdown(event: PointerEvent, pos: PointerPosition): boolean;
    pointerenter(event: PointerEvent, pos: PointerPosition): boolean;
    pointerleave(event: PointerEvent, pos: PointerPosition): boolean;
    pointermove(event: PointerEvent, pos: PointerPosition): boolean;
    pointerup(event: PointerEvent, pos: PointerPosition): boolean;
    wheel(event: WheelEvent, pos: PointerPosition): boolean;
}