question: prints print writers to file paths . concode_field_sep Logger log concode_elem_sep PrintWriter receivedMessagePrintWriter concode_elem_sep PrintWriter statisticsPrintWriter concode_field_sep void sleepForInterval concode_elem_sep void writeReceivedMessagesToFile concode_elem_sep void initializeStatisticsPrintWriter concode_elem_sep void createMockFile concode_elem_sep void writeStatisticsToFile concode_elem_sep void initializeReceivedMessagesPrintWriter concode_elem_sep void waitForMessagesAndShutdown
target: void function ( ) { if ( receivedMessagePrintWriter != null ) { receivedMessagePrintWriter . flush ( ) ; } if ( statisticsPrintWriter != null ) { statisticsPrintWriter . flush ( ) ; } }