serialize method
Serialize.
Implementation
@override
void serialize(List<int> buffer) {
// Write type-id 0xb5aefd7d.
buffer.writeInt32(0xb5aefd7d);
// Write fields.
buffer.writeInt64(queryId);
buffer.writeInt64(userId);
buffer.writeBytes(payload);
buffer.writeObject(shippingAddress);
// Finished serialization.
}