serialize method
Serialize.
Implementation
@override
void serialize(List<int> buffer) {
// Write type-id 0xb2539d54.
buffer.writeInt32(0xb2539d54);
// Write fields.
buffer.writeInt64(id);
buffer.writeInt32(months);
buffer.writeInt32(quantity);
buffer.writeDateTime(date);
// Finished serialization.
}