static func slideIn(withInterItemSpacing interItemSpacing: CGFloat = 12,
                        firstItemSpacing: CGFloat = 0) -> JJItemAnimationConfiguration {
        let configuration = JJItemAnimationConfiguration()
        configuration.itemLayout = .verticalLine(withInterItemSpacing: interItemSpacing, firstItemSpacing: firstItemSpacing)
        configuration.closedState = .horizontalOffset()