question: shuts down statistics collector . concode_field_sep boolean _isRunning concode_elem_sep List<StatsCollectorInput> _statsCollectorInputList concode_elem_sep int _statsCollectionInterval concode_elem_sep ExecutorService _executorService concode_field_sep void start concode_elem_sep Runnable collectStatistics
target: void function ( final int arg0 ) { _isRunning = false ; _executorService . shutdownNow ( ) ; _executorService . awaitTermination ( arg0 , TimeUnit . MILLISECONDS ) ; }