returns the eventlistener implementation . if none has been specified , null is returned . concode_field_sep EventListener implementation concode_elem_sep String className concode_elem_sep ListenerConfigReadOnly readOnly concode_field_sep boolean isIncludeValue concode_elem_sep int hashCode concode_elem_sep ListenerConfig setImplementation concode_elem_sep boolean equals concode_elem_sep String toString concode_elem_sep String getClassName concode_elem_sep ListenerConfig setClassName concode_elem_sep ListenerConfig getAsReadOnly concode_elem_sep boolean isLocal
EventListener function ( ) { return implementation ; }