Function newOverlay

newOverlay<
    Child extends Widget = Widget,
    OverlayChild extends Widget = Widget,
    Attr = unknown,
>(
    ...props: [
        props: OverlayProps<
            Child,
            OverlayChild,
            Attr,
            Overlay<Child, OverlayChild, Attr>,
        >,
        child?: Child,
        ...overlays: Widget[],
    ],
): Overlay<Child, OverlayChild, Attr>