NDC::pop();
int main(){    int result = EXIT_SUCCESS;    try    {		BasicConfigurator::configure(); 		LoggerPtr rootLogger = Logger::getRootLogger();		NDC::push(_T("trivial context"));		rootLogger->debug(_T("debug message"));		rootLogger->info(_T("info message"));		rootLogger->warn(_T("warn message"));		rootLogger->error(_T("error message"));		rootLogger->fatal(_T("fatal message"));	}	catch(Exception&)	{		result = EXIT_FAILURE;	}    return result;}