182c182
< void serialize(const std::string &base, std::ostream &os);
---
> void serialize(const std::string &base, CheckpointOut &cp) const;
190,191c190
< void unserialize(const std::string &base, Checkpoint *cp,
< const std::string &section);
---
> void unserialize(const std::string &base, CheckpointIn &cp);
250c249
< void serialize(const std::string &base, std::ostream &os);
---
> void serialize(const std::string &base, CheckpointOut &cp) const;
258,259c257
< void unserialize(const std::string &base, Checkpoint *cp,
< const std::string &section);
---
> void unserialize(const std::string &base, CheckpointIn &cp);