v8: serialize BigInt64Array and BigUint64Array
Teach the serializer about BigInt64Array and BigUint64Array.
I open-coded the type-to-index mapper to stay compatible with the current wire format without undue code gymnastics.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Teach the serializer about BigInt64Array and BigUint64Array.
I open-coded the type-to-index mapper to stay compatible with the current wire format without undue code gymnastics.