void function ( IOutputListener arg0 ) { listeners . remove ( arg0 ) ; }
remove a listener from the list of listener concode_field_sep IOutputFormatter formatter concode_elem_sep List<IOutputListener> listeners concode_field_sep String output concode_elem_sep void addOutputListener concode_elem_sep void setFormatter concode_elem_sep void removeAllListeners concode_elem_sep IOutputFormatter getFormatter concode_elem_sep List<IOutputListener> getOutputListeners concode_elem_sep void notifyAllListeners