BFDDataReader
class BFDDataReader : public BDataReader {
BFDDataReader(int fd);
using BPackageKit::BHPKG::BFDDataReader;
using BPackageKit::BHPKG::BFDDataReader;
using BPackageKit::BHPKG::BFDDataReader;
_heapReader = new(std::nothrow) BFDDataReader(
BFDDataReader::BFDDataReader(int fd)
BFDDataReader::SetFD(int fd)
BFDDataReader::ReadData(off_t offset, void* buffer, size_t size)
BFDDataReader dataReader(fd);