swap_tiled_layout name="vertical" {
    tab max_panes=5 {
        pane split_direction="vertical" {
            pane
            pane { children; }
        }
    }
}

swap_tiled_layout name="stacked" {
    tab {
        pane split_direction="vertical" {
            pane
            pane {
                pane
                pane stacked=true { children; }
            }
        }
    }
}