+protected:
+ virtual bool OpenListFile(FileFd &Pkg, std::string const &File) APT_OVERRIDE;
+ virtual uint8_t GetIndexFlags() const APT_OVERRIDE;
+ virtual std::string GetArchitecture() const APT_OVERRIDE;
+
+public:
+ virtual bool Exists() const APT_OVERRIDE;
+ virtual bool HasPackages() const APT_OVERRIDE;