WildFly Capabilities
org.wildfly.undertow.handler
In 
                undertow
            
            NAME: org.wildfly.undertow.handler
DESCRIPTION: Provides an Undertow handler that can be used to server files or other resources
REGISTERED BY:
NAME: WildFly URL: https://github.com/wildfly/wildfly
DYNAMIC: true
PRIVATE: true
SUPPORTS RUNTIME ONLY: true
SERVICE PROVIDED:
CLASS: io.undertow.server.HttpHandler MODULE: io.undertow.core
OPTIONAL REQUIREMENTS:
  NAME: org.wildfly.request-controller
  DYNAMIC: false
  DESCRIPTION: only needed if request controller for graceful shutdown is enabled