serialize method
Serialize.
Implementation
@override
void serialize(List<int> buffer) {
// Write type-id 0xdc0242c8.
buffer.writeInt32(0xdc0242c8);
// Write fields.
buffer.writeObject(bot);
buffer.writeInt64(randomId);
buffer.writeString(buttonText);
buffer.writeString(data);
// Finished serialization.
}