https://access.redhat.com/webassets/avalon/d/red_hat_jboss_enterprise_application_platform/8.1/javadocs/org/apache/logging/log4j/spi/StandardLevel.html
StandardLevel (Red Hat JBoss Enterprise Application Platform 8.1.1.GA + JBoss EAP XP 6.0.0.GA...
declaration: package: org.apache.logging.log4j.spi, enum: StandardLevel