+ bool find(const std::string& path);
+ ObjectReference old_ref() const {
+ return ObjectReference::parse(old_metadata_loc);
+ }
+
+ bool is_unchanged(const struct stat *stat_buf);
+
+ dictionary get_old_metadata() const { return old_metadata; }
+ std::list<ObjectReference> get_blocks();
+ std::string get_checksum() { return old_metadata["checksum"]; }
+