serialize method
Serialize.
Implementation
@override
void serialize(List<int> buffer) {
// Write type-id 0xed18c118.
buffer.writeInt32(0xed18c118);
// Write fields.
buffer.writeInt64(randomId);
buffer.writeInt32(chatId);
buffer.writeDateTime(date);
buffer.writeBytes(bytes);
buffer.writeObject(file);
// Finished serialization.
}