add support for metadata

Il2CppInspector.Common/Next/Metadata/Il2CppMethodDefinition.cs

@@ -18,7 +18,7 @@ public partial record struct Il2CppMethodDefinition
     public TypeDefinitionIndex DeclaringType { get; private set; }
     public TypeIndex ReturnType { get; private set; }
 
-    [VersionCondition(EqualTo = "31.0")]
+    [VersionCondition(GreaterThan = "31.0")]
     public uint ReturnParameterToken { get; private set; }
 
     public ParameterIndex ParameterStart { get; private set; }

Il2CppInspector.Common/Next/Metadata/Il2CppStringLiteral.cs

@@ -6,6 +6,7 @@ using StringLiteralIndex = int;
 [VersionedStruct]
 public partial record struct Il2CppStringLiteral
 {
+    [VersionCondition(LessThan = "31.0")]
     public uint Length { get; private set; }
     public StringLiteralIndex DataIndex { get; private set; }
 }

Il2CppInspector.Common/Next/Metadata/Il2CppTypeDefinition.cs

@@ -32,6 +32,8 @@ public partial record struct Il2CppTypeDefinition
 
     public TypeIndex DeclaringTypeIndex { get; private set; }
     public TypeIndex ParentIndex { get; private set; }
+
+    [VersionCondition(LessThan = "31.0")]
     public TypeIndex ElementTypeIndex { get; private set; }
 
     [VersionCondition(LessThan = "24.1")]