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-rw-r--r--include/proj/internal/coordinateoperation_internal.hpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/proj/internal/coordinateoperation_internal.hpp b/include/proj/internal/coordinateoperation_internal.hpp
index 83e1e987..bafc3a3b 100644
--- a/include/proj/internal/coordinateoperation_internal.hpp
+++ b/include/proj/internal/coordinateoperation_internal.hpp
@@ -70,6 +70,8 @@ const ParamMapping *getMapping(const MethodMapping *mapping,
const OperationParameterValue *param);
const ParamMapping *getMappingFromWKT1(const MethodMapping *mapping,
const std::string &wkt1_name);
+bool areEquivalentParameters(const std::string &a, const std::string &b);
+
// ---------------------------------------------------------------------------
struct ESRIParamMapping {