+char* pakfire_repo_cache_get_path(PakfireRepo repo, const char* path);
+FILE* pakfire_repo_cache_open(PakfireRepo repo, const char* path, const char* mode);
+int pakfire_repo_cache_access(PakfireRepo repo, const char* path, int mode);
+time_t pakfire_repo_cache_age(PakfireRepo repo, const char* path);