https://access.redhat.com/webassets/avalon/d/red_hat_jboss_enterprise_application_platform/8.1/javadocs/com/sun/tools/rngom/parse/host/IncludeHost.html
IncludeHost (Red Hat JBoss Enterprise Application Platform 8.1.1.GA + JBoss EAP XP 6.0.0.GA public...
declaration: package: com.sun.tools.rngom.parse.host, class: IncludeHost