code: public static void logExit(Logger logger, String methodName, String returnValue,
                                 long timeSpent) {
          logger.debug(String.format(EXIT_METHOD_PATTERN, methodName, returnValue, timeSpent));
  
      }
docs: <p>
  Logs for exit from every public methods with {@link Level#DEBUG}.
  </p>
  
  @param methodName     The name of method existed from.
  @param returnValue    the return value
  @param timeSpent      the time spent
  @param logger         the logger instance
  @param verboseLogging the control flag defining whether the detailed logging actions should be performed