1 files changed, 17 insertions, 3 deletions
diff --git a/core/src/main/kotlin/pages/contentNodeProperties.kt b/core/src/main/kotlin/pages/contentNodeProperties.kt
index cfd7f769..3c9bd422 100644
--- a/core/src/main/kotlin/pages/contentNodeProperties.kt
+++ b/core/src/main/kotlin/pages/contentNodeProperties.kt
@@ -6,9 +6,23 @@ class SimpleAttr(val extraKey: String, val extraValue: String) : ExtraProperty<C
     data class SimpleAttrKey(val key: String) : ExtraProperty.Key<ContentNode, SimpleAttr>
     override val key: ExtraProperty.Key<ContentNode, SimpleAttr> = SimpleAttrKey(extraKey)
 
-    companion object {
-        fun header(value: String) = SimpleAttr("data-togglable", value)
-    }
+}
+
+enum class BasicTabbedContentType : TabbedContentType {
+    TYPE, CONSTRUCTOR, FUNCTION, PROPERTY, ENTRY, EXTENSION_PROPERTY, EXTENSION_FUNCTION
+}
+
+/**
+ * It is used only to mark content for tabs in HTML format
+ */
+interface TabbedContentType
+
+/**
+ * @see TabbedContentType
+ */
+class TabbedContentTypeExtra(val value: TabbedContentType) : ExtraProperty<ContentNode> {
+    companion object : ExtraProperty.Key<ContentNode, TabbedContentTypeExtra>
+    override val key: ExtraProperty.Key<ContentNode, TabbedContentTypeExtra> = TabbedContentTypeExtra
 }
 
 object HtmlContent : ExtraProperty<ContentNode>, ExtraProperty.Key<ContentNode, HtmlContent> {