3347 struct ValueSerializer::PrivateData {  struct in v8::ValueSerializer
3348   explicit PrivateData(i::Isolate* i, ValueSerializer::Delegate* delegate)  in PrivateData()  argument
3350   i::Isolate* isolate;
3351   i::ValueSerializer serializer;
3446 struct ValueDeserializer::PrivateData {  struct in v8::ValueDeserializer
3447   PrivateData(i::Isolate* i, base::Vector<const uint8_t> data,  in PrivateData()  argument
3450   i::Isolate* isolate;
3451   i::ValueDeserializer deserializer;
3452   bool supports_legacy_wire_format = false;
4355 struct v8::PropertyDescriptor::PrivateData {  struct in v8::v8::PropertyDescriptor
4356   PrivateData() : desc() {}  in PrivateData()  function
4357   i::PropertyDescriptor desc;