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< class Ticked
---
> class Ticked : public Serializable
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< void serialize(std::ostream &os);
< void unserialize(Checkpoint *cp, const std::string &section);
---
> void serialize(CheckpointOut &cp) const M5_ATTR_OVERRIDE;
> void unserialize(CheckpointIn &cp) M5_ATTR_OVERRIDE;
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< void serialize(std::ostream &os);
< void unserialize(Checkpoint *cp, const std::string &section);
---
> void serialize(CheckpointOut &cp) const M5_ATTR_OVERRIDE;
> void unserialize(CheckpointIn &cp) M5_ATTR_OVERRIDE;