public:
/** Get the properties assigned to a netzone */
- std::unordered_map<std::string, std::string>* get_properties();
+ const std::unordered_map<std::string, std::string>* get_properties() const;
std::vector<NetZone*> get_children();
/** Retrieve the property value (or nullptr if not set) */
- const char* get_property(const std::string& key);
+ const char* get_property(const std::string& key) const;
void set_property(const std::string& key, const std::string& value);
/* Add content to the netzone, at parsing time. It should be sealed afterward. */