Symfony\Bridge\Monolog\Logger Gelf\MessagePublisher Monolog\Handler\StreamHandler Monolog\Handler\GroupHandler Monolog\Handler\BufferHandler Monolog\Handler\RotatingFileHandler Monolog\Handler\SyslogHandler Monolog\Handler\NullHandler Monolog\Handler\TestHandler Monolog\Handler\GelfHandler Symfony\Bridge\Monolog\Handler\FirePHPHandler Symfony\Bridge\Monolog\Handler\ChromePhpHandler Symfony\Bridge\Monolog\Handler\DebugHandler Monolog\Handler\SwiftMailerHandler Monolog\Handler\NativeMailerHandler Monolog\Handler\FingersCrossedHandler Monolog\Handler\FingersCrossed\ErrorLevelActivationStrategy app