https://tomcat.apache.org/tomcat-11.0-doc/api/org/apache/catalina/valves/AbstractAccessLogValve.SessionIdElement.html
AbstractAccessLogValve.SessionIdElement (Apache Tomcat 11.0.22 API Documentation)
declaration: package: org.apache.catalina.valves, class: AbstractAccessLogValve, class: SessionIdElement
apache tomcatapidocumentation