question: run discovery service once if device has been removed to trigger disconnected webcam discovery event and keep webcams list up-to-date . concode_field_sep List<IpCamDevice> DEVICES concode_field_sep boolean unregister concode_elem_sep boolean unregister concode_elem_sep List<IpCamDevice> getIpCameras concode_elem_sep boolean isRegistered concode_elem_sep boolean isRegistered concode_elem_sep boolean isRegistered concode_elem_sep boolean isRegistered concode_elem_sep void unregisterAll concode_elem_sep IpCamDevice register concode_elem_sep IpCamDevice register concode_elem_sep IpCamDevice register concode_elem_sep IpCamDevice register concode_elem_sep IpCamDevice register
target: void function ( ) { WebcamDiscoveryService loc0 = Webcam . getDiscoveryServiceRef ( ) ; if ( loc0 != null ) { loc0 . scan ( ) ; } }