1 files changed, 6 insertions, 0 deletions
diff --git a/include/proj/coordinateoperation.hpp b/include/proj/coordinateoperation.hpp
index af1c293f..4397ed60 100644
--- a/include/proj/coordinateoperation.hpp
+++ b/include/proj/coordinateoperation.hpp
@@ -150,6 +150,8 @@ class PROJ_GCC_DLL CoordinateOperation : public common::ObjectUsage,
 
     PROJ_DLL bool hasBallparkTransformation() const;
 
+    PROJ_DLL static const std::string OPERATION_VERSION_KEY;
+
   protected:
     PROJ_INTERNAL CoordinateOperation();
     PROJ_INTERNAL CoordinateOperation(const CoordinateOperation &other);
@@ -171,6 +173,10 @@ class PROJ_GCC_DLL CoordinateOperation : public common::ObjectUsage,
         const std::vector<metadata::PositionalAccuracyNNPtr> &accuracies);
     PROJ_INTERNAL void setHasBallparkTransformation(bool b);
 
+    PROJ_INTERNAL void
+    setProperties(const util::PropertyMap
+                      &properties); // throw(InvalidValueTypeException)
+
   private:
     PROJ_OPAQUE_PRIVATE_DATA
     CoordinateOperation &operator=(const CoordinateOperation &other) = delete;