serialize method
Serialize.
Implementation
@override
void serialize(List<int> buffer) {
// Write type-id 0x40d13c0e.
buffer.writeInt32(0x40d13c0e);
// Write fields.
buffer.writeObject(set);
buffer.writeVectorObject(packs);
buffer.writeVectorObject(keywords);
buffer.writeVectorObject(documents);
// Finished serialization.
}