pack method
Serialize the object using the given builder, returning the offset.
Implementation
@override
int pack(fb.Builder fbBuilder) {
final int? dataOffset = data == null ? null
: fbBuilder.writeListUint8(data!);
fbBuilder.startTable(3);
fbBuilder.addOffset(0, dataOffset);
fbBuilder.addUint32(1, count);
fbBuilder.addInt8(2, type.value);
return fbBuilder.endTable();
}