add new struct definitions

Il2CppInspector.Common/Next/BinaryMetadata/Il2CppMetadataRegistration.cs

@@ -0,0 +1,60 @@
+using Il2CppInspector.Next.Metadata;
+using VersionedSerialization.Attributes;
+
+namespace Il2CppInspector.Next.BinaryMetadata;
+
+using FieldIndex = int;
+using TypeDefinitionIndex = int;
+
+[VersionedStruct]
+public partial struct Il2CppMetadataRegistration
+{
+    [Aligned(0)]
+    public int GenericClassesCount;
+
+    public Pointer<Pointer<Il2CppGenericClass>> GenericClasses;
+
+    [Aligned(0)]
+    public int GenericInstsCount;
+
+    public Pointer<Pointer<Il2CppGenericInst>> GenericInsts;
+
+    [Aligned(0)]
+    public int GenericMethodTableCount;
+
+    public Pointer<Il2CppGenericMethodFunctionsDefinitions> GenericMethodTable;
+
+    [Aligned(0)]
+    public int TypesCount;
+
+    public Pointer<Pointer<Il2CppType>> Types;
+
+    [Aligned(0)]
+    public int MethodSpecsCount;
+
+    public Pointer<Il2CppMethodSpec> MethodSpecs;
+
+    [VersionCondition(LessThan = "16.0")]
+    public int MethodReferencesCount;
+
+    [VersionCondition(LessThan = "16.0")]
+    [CustomSerialization("reader.ReadNUInt();", "is32Bit ? 4 : 8")]
+    public ulong MethodReferences; // uint**
+
+    [Aligned(0)]
+    public FieldIndex FieldOffsetsCount;
+
+    [CustomSerialization("reader.ReadNUInt();", "is32Bit ? 4 : 8")]
+    public ulong FieldOffsets; // int**
+
+    [Aligned(0)]
+    public TypeDefinitionIndex TypeDefinitionsSizesCount;
+    public Pointer<Pointer<Il2CppTypeDefinitionSizes>> TypeDefinitionsSizes;
+
+    [Aligned(0)]
+    [VersionCondition(GreaterThan = "19.0")]
+    public ulong MetadataUsagesCount;
+
+    [VersionCondition(GreaterThan = "19.0")]
+    public Pointer<Pointer<Il2CppMetadataUsage>> MetadataUsages;
+}