https://android.googlesource.com/platform/external/apache-log4cxx/+/bf7b5ebcf7ce58764c86ab8c6f00ea1791d64026/site/apidocs/levelrangefilter_8h.html
site/apidocs/levelrangefilter_8h.html - platform/external/apache-log4cxx - Git at Google
https://access.redhat.com/webassets/avalon/d/red_hat_jboss_enterprise_application_platform/7.3/javadocs/org/jboss/logmanager/filters/LevelRangeFilter.html
LevelRangeFilter (Red Hat JBoss Enterprise Application Platform 7.3.0.GA public API)
red hat jboss