- virtual bool RunData(FileFd * const /*File*/) { return false; }
-
- virtual bool Open() { return false; }
- virtual bool IsOpen() { return false; }
- virtual bool Close() { return false; }
- virtual bool InitHashes(FileFd &/*File*/) { return false; }
- virtual Hashes * GetHashes() { return NULL; }
- virtual bool Die(FileFd &/*File*/) { return false; }
- virtual bool Flush(FileFd * const /*File*/) { return false; }
- virtual bool Go(bool /*ToFile*/, FileFd * const /*File*/) { return false; }
+ virtual bool RunData(FileFd * const /*File*/) APT_OVERRIDE { return false; }
+ virtual bool RunDataToDevNull() APT_OVERRIDE { return false; }
+
+ virtual bool Open() APT_OVERRIDE { return false; }
+ virtual bool IsOpen() APT_OVERRIDE { return false; }
+ virtual bool Close() APT_OVERRIDE { return false; }
+ virtual bool InitHashes(HashStringList const &ExpectedHashes) APT_OVERRIDE;
+ virtual Hashes * GetHashes() APT_OVERRIDE;
+ virtual bool Die(FileFd * const /*File*/) APT_OVERRIDE { return false; }
+ virtual bool Flush(FileFd * const /*File*/) APT_OVERRIDE { return false; }
+ virtual bool Go(bool /*ToFile*/, FileFd * const /*File*/) APT_OVERRIDE { return false; }