add new struct definitions

Il2CppInspector.Common/Next/BinaryMetadata/Il2CppRgctxDefinitionData.cs

@@ -0,0 +1,15 @@
+using VersionedSerialization.Attributes;
+
+namespace Il2CppInspector.Next.BinaryMetadata;
+
+using MethodIndex = int;
+using TypeIndex = int;
+
+[VersionedStruct]
+public partial struct Il2CppRgctxDefinitionData
+{
+    public int Value;
+
+    public readonly MethodIndex MethodIndex => Value;
+    public readonly TypeIndex TypeIndex => Value;
+}