--- a/OrthancFramework/Sources/DicomFormat/DicomPath.h	Thu Jun 10 10:09:54 2021 +0200
+++ b/OrthancFramework/Sources/DicomFormat/DicomPath.h	Thu Jun 10 10:54:14 2021 +0200
@@ -66,6 +66,8 @@
       }
 
       size_t GetIndex() const;
+
+      void SetIndex(size_t index);
     };
 
     std::vector<PrefixItem>  prefix_;
@@ -135,6 +137,11 @@
 
     bool HasUniversal() const;
 
+    // This method is used for an optimization in Stone
+    // (cf. "DicomStructureSet.cpp")
+    void SetPrefixIndex(size_t level,
+                        size_t index);
+
     std::string Format() const;
 
     static DicomPath Parse(const std::string& s);