std::pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=NULL) const;
std::pair<bool,int> getInt(const char* name, const char* ns=NULL) const;
void getAll(std::map<std::string,const char*>& properties) const;
std::pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=NULL) const;
std::pair<bool,int> getInt(const char* name, const char* ns=NULL) const;
void getAll(std::map<std::string,const char*>& properties) const;