https://www.linuxtopia.org/online_books/eclipse_documentation/eclipse_javaserver_faces_tooling_guide/topic/org.eclipse.jst.jsf.doc.dev/html/api_reference/org/eclipse/jst/jsf/facesconfig/emf/eclipse_jsf_FacetExtensionType.html
Eclipse JavaServer Faces Tooling Development Guide (Galileo) - FacetExtensionType
Eclipse JDT Plugin Development Guide
javaserver facestooling developmenteclipseguidegalileo
https://www.linuxtopia.org/online_books/eclipse_documentation/eclipse_javaserver_faces_tooling_guide/topic/org.eclipse.jst.jsf.doc.dev/html/api_reference/org/eclipse/jst/jsf/facesconfig/emf/impl/eclipse_jsf_FacetExtensionTypeImpl.html
Eclipse JavaServer Faces Tooling Development Guide (Galileo) - FacetExtensionTypeImpl
Eclipse JDT Plugin Development Guide
javaserver facestooling developmenteclipseguidegalileo