- virtual string ArchiveURI(string /*File*/) const = 0;
- virtual bool GetIndexes(pkgAcquire *Owner, bool GetAll=false) const = 0;
+ virtual string ArchiveURI(string const& /*File*/) const = 0;
+ virtual bool GetIndexes(pkgAcquire *Owner, bool const &GetAll=false) const = 0;