encode method
Encodes the file header to a Uint8List.
Implementation
Uint8List encode() {
final ByteData writer = ByteData(8);
writer.buffer.asUint8List().setRange(0, 4, fileType.encode());
writer.setInt16(4, fileVersion);
writer.setInt16(6, fileFlags);
return writer.buffer.asUint8List();
}