returns the osgi service identifier . concode_field_sep BackgroundTaskService _backgroundTaskService concode_field_sep void setWrappedService concode_elem_sep int getBackgroundTasksCount concode_elem_sep BackgroundTaskService getWrappedService concode_elem_sep java.lang.String getBackgroundTaskStatusJSON
java . lang . String function ( ) { return _backgroundTaskService . getOSGiServiceIdentifier ( ) ; }