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;
}