Type alias FixedItemsOfLayout<L>
FixedItemsOfLayout<L>: L extends readonly [infer H extends LayoutItem, ...(infer T)] ? [FilterFixedItem<H>] extends [never] ? T extends Layout ? FixedItemsOfLayout<T> : readonly [] : T extends Layout ? readonly [FilterFixedItem<H>, ...FixedItemsOfLayout<T>] : readonly [FilterFixedItem<H>] : readonly []