5 files changed, 31 insertions, 14 deletions
diff --git a/include/proj/common.hpp b/include/proj/common.hpp
index f1e683e7..91756c62 100644
--- a/include/proj/common.hpp
+++ b/include/proj/common.hpp
@@ -277,9 +277,9 @@ using IdentifiedObjectNNPtr = util::nn<IdentifiedObjectPtr>;
  *
  * \remark Implements IdentifiedObject from \ref ISO_19111_2018
  */
-class IdentifiedObject : public util::BaseObject,
-                         public util::IComparable,
-                         public io::IWKTExportable {
+class PROJ_GCC_DLL IdentifiedObject : public util::BaseObject,
+                                      public util::IComparable,
+                                      public io::IWKTExportable {
   public:
     //! @cond Doxygen_Suppress
     PROJ_DLL ~IdentifiedObject() override;
@@ -311,14 +311,14 @@ class IdentifiedObject : public util::BaseObject,
         //! @cond Doxygen_Suppress
         void
         formatID(io::WKTFormatter *formatter) const;
-    void formatRemarks(io::WKTFormatter *formatter) const;
+    PROJ_INTERNAL void formatRemarks(io::WKTFormatter *formatter) const;
 
-    bool
+    PROJ_INTERNAL bool
     _isEquivalentTo(const util::IComparable *other,
                     util::IComparable::Criterion criterion =
                         util::IComparable::Criterion::STRICT) const override;
 
-    bool
+    PROJ_INTERNAL bool
     _isEquivalentTo(const IdentifiedObject *other,
                     util::IComparable::Criterion criterion =
                         util::IComparable::Criterion::STRICT) PROJ_CONST_DECL;
diff --git a/include/proj/crs.hpp b/include/proj/crs.hpp
index bdb36cd4..1066f886 100644
--- a/include/proj/crs.hpp
+++ b/include/proj/crs.hpp
@@ -92,8 +92,9 @@ class PROJ_GCC_DLL CRS : public common::ObjectUsage {
     PROJ_DLL GeodeticCRSPtr extractGeodeticCRS() const;
     PROJ_DLL GeographicCRSPtr extractGeographicCRS() const;
     PROJ_DLL VerticalCRSPtr extractVerticalCRS() const;
-    PROJ_DLL CRSNNPtr createBoundCRSToWGS84IfPossible(
-        const io::DatabaseContextPtr &dbContext) const;
+    PROJ_DLL CRSNNPtr
+    createBoundCRSToWGS84IfPossible(const io::DatabaseContextPtr &dbContext,
+                                    bool allowIntermediateCRS) const;
     PROJ_DLL CRSNNPtr stripVerticalComponent() const;
 
     PROJ_DLL const BoundCRSPtr &canonicalBoundCRS() PROJ_CONST_DECL;
@@ -101,6 +102,9 @@ class PROJ_GCC_DLL CRS : public common::ObjectUsage {
     PROJ_DLL std::list<std::pair<CRSNNPtr, int>>
     identify(const io::AuthorityFactoryPtr &authorityFactory) const;
 
+    PROJ_DLL std::list<CRSNNPtr>
+    getNonDeprecated(const io::DatabaseContextNNPtr &dbContext) const;
+
     PROJ_PRIVATE :
         //! @cond Doxygen_Suppress
         PROJ_INTERNAL const GeodeticCRS *
diff --git a/include/proj/io.hpp b/include/proj/io.hpp
index 26420150..c0d4fef5 100644
--- a/include/proj/io.hpp
+++ b/include/proj/io.hpp
@@ -731,6 +731,15 @@ class PROJ_GCC_DLL DatabaseContext {
     PROJ_INTERNAL std::string getTextDefinition(const std::string &tableName,
                                                 const std::string &authName,
                                                 const std::string &code) const;
+
+    PROJ_INTERNAL std::vector<std::string>
+    getAllowedAuthorities(const std::string &sourceAuthName,
+                          const std::string &targetAuthName) const;
+
+    PROJ_INTERNAL std::list<std::pair<std::string, std::string>>
+    getNonDeprecated(const std::string &tableName, const std::string &authName,
+                     const std::string &code) const;
+
     //! @endcond
 
   protected:
@@ -952,7 +961,8 @@ class PROJ_GCC_DLL AuthorityFactory {
 
     PROJ_INTERNAL operation::CoordinateOperationNNPtr
     createCoordinateOperation(const std::string &code, bool allowConcatenated,
-                              bool usePROJAlternativeGridNames) const;
+                              bool usePROJAlternativeGridNames,
+                              const std::string &type) const;
 
     INLINED_MAKE_SHARED
 
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
 };
diff --git a/include/proj/util.hpp b/include/proj/util.hpp
index eb7288b2..c2f2b7fe 100644
--- a/include/proj/util.hpp
+++ b/include/proj/util.hpp
@@ -499,12 +499,13 @@ class PropertyMap {
 
     PROJ_PRIVATE :
         //! @cond Doxygen_Suppress
-        std::map<std::string, BaseObjectNNPtr>::iterator
-        find(const std::string &key) const;
-    std::map<std::string, BaseObjectNNPtr>::iterator end() const;
+        const BaseObjectNNPtr *
+        get(const std::string &key) const;
 
     // throw(InvalidValueTypeException)
     bool getStringValue(const std::string &key, std::string &outVal) const;
+    bool getStringValue(const std::string &key,
+                        optional<std::string> &outVal) const;
 
     static PropertyMap createAndSetName(const char *name);
     static PropertyMap createAndSetName(const std::string &name);
@@ -513,8 +514,6 @@ class PropertyMap {
   private:
     PropertyMap &operator=(const PropertyMap &) = delete;
 
-    PropertyMap &set(const std::string &key, const BoxedValue &val);
-
     PROJ_OPAQUE_PRIVATE_DATA
 };