serialize method

@override void serialize(List<int> buffer)

Serialize.

Implementation

@override
void serialize(List<int> buffer) {
  // Write type-id 0x774278d4.
  buffer.writeInt32(0x774278d4);

  // Write fields.
  buffer.writeInt32(flags);
  buffer.writeObject(gift);
  buffer.writeObject(price);
  buffer.writeDateTime(expiresAt);

  // Finished serialization.
}