Интерфейс PopoverArrowModifierOptions

interface PopoverArrowModifierOptions {
    element: string | HTMLElement | null;
    padding:
        | PopoverModifierPadding
        | (
            (
                arg0: {
                    placement: PopoverPlacement;
                    popper: PopoverRect;
                    reference: PopoverRect;
                },
            ) => PopoverModifierPadding
        );
}