const std::unordered_map<std::string, std::string>* get_properties() const;
const char* get_property(const std::string& key) const;
- void set_property(const std::string&, const std::string& value);
+ Disk* set_property(const std::string&, const std::string& value);
Disk* set_host(Host* host);
Host* get_host() const;