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