https://docs.oracle.com/cd/E17802_01/j2ee/javaee/javaserverfaces/2.0/docs/api/javax/faces/event/FacesEvent.html
FacesEvent (JavaServer Faces API (2.0))
javaserver facesapi
https://access.redhat.com/webassets/avalon/d/red_hat_jboss_enterprise_application_platform/7.3/javadocs/javax/faces/event/FacesEvent.html
FacesEvent (Red Hat JBoss Enterprise Application Platform 7.3.0.GA public API)
red hat jboss