1 files changed, 4 insertions, 0 deletions
diff --git a/include/proj/metadata.hpp b/include/proj/metadata.hpp
index fc86693d..d1b91515 100644
--- a/include/proj/metadata.hpp
+++ b/include/proj/metadata.hpp
@@ -406,6 +406,7 @@ class PROJ_GCC_DLL Identifier : public util::BaseObject,
   protected:
     PROJ_INTERNAL explicit Identifier(const std::string &codeIn,
                                       const util::PropertyMap &properties);
+    PROJ_INTERNAL explicit Identifier();
 
     PROJ_FRIEND_OPTIONAL(Identifier);
     INLINED_MAKE_SHARED
@@ -413,6 +414,9 @@ class PROJ_GCC_DLL Identifier : public util::BaseObject,
 
     PROJ_FRIEND(common::IdentifiedObject);
 
+    PROJ_INTERNAL static IdentifierNNPtr
+    createFromDescription(const std::string &descriptionIn);
+
   private:
     PROJ_OPAQUE_PRIVATE_DATA
 };