--- /dev/null
+{#
+/**
+ * @file
+ * Bootstrap Layouts: "4 Columns (stacked)" template.
+ *
+ * Available layout variables:
+ * - wrapper: Wrapper element for the layout container.
+ * - attributes: Wrapper attributes for the layout container.
+ *
+ * Available region variables:
+ * - top
+ * - first
+ * - second
+ * - third
+ * - fourth
+ * - bottom
+ *
+ * Each region variable contains the following properties:
+ * - wrapper: The HTML element to use to wrap this region.
+ * - attributes: The HTML attributes to use on the wrapper for this region.
+ * - content: The content to go inside the wrapper for this region.
+ */
+#}
+<{{ wrapper }}{{ attributes }}>
+ {{ title_suffix.contextual_links }}
+
+ {% if top.content %}
+ <{{ top.wrapper }}{{ top.attributes }}>
+ {{ first.content }}
+ </{{ top.wrapper }}>
+ {% endif %}
+
+ {% if first.content %}
+ <{{ first.wrapper }}{{ first.attributes }}>
+ {{ first.content }}
+ </{{ first.wrapper }}>
+ {% endif %}
+
+ {% if second.content %}
+ <{{ second.wrapper }}{{ second.attributes }}>
+ {{ second.content }}
+ </{{ second.wrapper }}>
+ {% endif %}
+
+ {% if third.content %}
+ <{{ third.wrapper }}{{ third.attributes }}>
+ {{ third.content }}
+ </{{ third.wrapper }}>
+ {% endif %}
+
+ {% if fourth.content %}
+ <{{ fourth.wrapper }}{{ fourth.attributes }}>
+ {{ fourth.content }}
+ </{{ fourth.wrapper }}>
+ {% endif %}
+
+ {% if bottom.content %}
+ <{{ bottom.wrapper }}{{ bottom.attributes }}>
+ {{ bottom.content }}
+ </{{ bottom.wrapper }}>
+ {% endif %}
+
+</{{ wrapper }}>