Comment

Author: JamesNK

src/Grpc/JsonTranscoding/src/Microsoft.AspNetCore.Grpc.JsonTranscoding/Internal/Json/MessageTypeInfoResolver.cs

@@ -95,7 +95,8 @@ private JsonPropertyInfo CreatePropertyInfo(JsonTypeInfo typeInfo, string name,
 
         // A property with a wrapper type is usually the underlying type on the DTO.
         // For example, a field of type google.protobuf.StringValue will have a property of type string.
-        // Sometimes the wrapper type is exposed so we need to do some extra work to translate the value.
+        // However, the wrapper type is exposed if someone manually creates a DTO with it, or there is a problem
+        // detecting wrapper type in code generation. For example, https://github.com/protocolbuffers/protobuf/issues/22744
         FieldDescriptor? wrapperTypeValueField = null;
         if (field.FieldType == FieldType.Message && ServiceDescriptorHelpers.IsWrapperType(field.MessageType))
         {