• Hierarchy : Log4Qt::Logger
• operator<< : Log4Qt::ConfiguratorHelper , Log4Qt::InitialisationHelper , Log4Qt::LogObject , Log4Qt::LoggerRepository , Log4Qt::LoggingEvent , Log4Qt::PatternFormatter , Log4Qt::Logger , Log4Qt::Level , Log4Qt::LogError
• operator>> : Log4Qt::LogError , Log4Qt::Level , Log4Qt::LoggingEvent