class FGDeviceConfigurationMap : public std::map<std::string,SGPropertyNode_ptr> {
public:
FGDeviceConfigurationMap ( const char * relative_path, SGPropertyNode_ptr base, const char * childname );
virtual ~FGDeviceConfigurationMap();
private:
class FGDeviceConfigurationMap : public std::map<std::string,SGPropertyNode_ptr> {
public:
FGDeviceConfigurationMap ( const char * relative_path, SGPropertyNode_ptr base, const char * childname );
virtual ~FGDeviceConfigurationMap();
private: