Initial support for concept dependency relationships in class diagrams

src/common/clang_utils.h

@@ -72,6 +72,9 @@ template <typename T> std::string get_qualified_name(const T &declaration)
 
 model::namespace_ get_tag_namespace(const clang::TagDecl &declaration);
 
+model::namespace_ get_template_namespace(
+    const clang::TemplateDecl &declaration);
+
 std::optional<clanguml::common::model::namespace_> get_enclosing_namespace(
     const clang::DeclContext *decl);