question: set the arbitrary object that will be ` handed back ' as-is by an javax.management.notificationbroadcaster when notifyingany javax.management.notificationlistener . concode_field_sep Set<Object> mappedObjectNames concode_elem_sep NotificationListener notificationListener concode_elem_sep NotificationFilter notificationFilter concode_elem_sep Object handback concode_field_sep NotificationListener getNotificationListener concode_elem_sep void setMappedObjectNames concode_elem_sep ObjectName[] getResolvedObjectNames concode_elem_sep int hashCode concode_elem_sep void setNotificationFilter concode_elem_sep boolean equals concode_elem_sep Object getHandback concode_elem_sep void setNotificationListener concode_elem_sep NotificationFilter getNotificationFilter concode_elem_sep void setMappedObjectName
target: void function ( Object arg0 ) { this . handback = arg0 ; }