void StoreObject(const ObjectReference& ref,
const std::string &checksum, int64_t size, double age);
ObjectReference FindObject(const std::string &checksum, int64_t size);
- bool IsOldObject(const std::string &checksum, int64_t size, double *age);
+ bool IsOldObject(const std::string &checksum, int64_t size, double *age,
+ int *group);
bool IsAvailable(const ObjectReference &ref);
void UseObject(const ObjectReference& ref);