virtual string Package() = 0;
virtual string Version() = 0;
virtual string Maintainer() = 0;
virtual string Section() = 0;
virtual const char **Binaries() = 0;
virtual string Package() = 0;
virtual string Version() = 0;
virtual string Maintainer() = 0;
virtual string Section() = 0;
virtual const char **Binaries() = 0;