public static void SetOptions(this global::Google.Protobuf.Reflection.FileOptions obj, ProtogenFileOptions value)
 => global::ProtoBuf.Extensible.AppendValue <ProtogenFileOptions>(Serializer, obj, 1037, value);
 public static ProtogenFileOptions GetOptions(this global::Google.Protobuf.Reflection.FileOptions obj)
 => obj == null ? default : global::ProtoBuf.Extensible.GetValue <ProtogenFileOptions>(Serializer, obj, 1037);