1 files changed, 11 insertions, 0 deletions
diff --git a/include/proj/coordinateoperation.hpp b/include/proj/coordinateoperation.hpp
index 1ced5333..e3e3ece3 100644
--- a/include/proj/coordinateoperation.hpp
+++ b/include/proj/coordinateoperation.hpp
@@ -607,6 +607,11 @@ class PROJ_GCC_DLL SingleOperation : virtual public CoordinateOperation {
                               const common::UnitOfMeasure &targetUnit) const
         noexcept;
 
+    PROJ_INTERNAL double
+    parameterValueNumeric(const char *param_name,
+                          const common::UnitOfMeasure &targetUnit) const
+        noexcept;
+
     PROJ_INTERNAL double parameterValueNumericAsSI(int epsg_code) const
         noexcept;
 
@@ -1319,6 +1324,12 @@ class PROJ_GCC_DLL Conversion : public SingleOperation {
                               const common::Length &falseEasting,
                               const common::Length &falseNorthing);
 
+    PROJ_DLL static ConversionNNPtr createPoleRotationGRIBConvention(
+        const util::PropertyMap &properties,
+        const common::Angle &southPoleLatInUnrotatedCRS,
+        const common::Angle &southPoleLongInUnrotatedCRS,
+        const common::Angle &axisRotation);
+
     PROJ_DLL static ConversionNNPtr
     createChangeVerticalUnit(const util::PropertyMap &properties,
                              const common::Scale &factor);