code: protected void setScheduledExecutorService(ScheduledExecutorService scheduledExecutorService) {
          if (TraceComponent.isAnyTracingEnabled() && LoggingUtil.SESSION_LOGGER_CORE.isLoggable(Level.FINER)) {
              LoggingUtil.SESSION_LOGGER_CORE.entering(CLASS_NAME, "setScheduledExecutorService", scheduledExecutorService);
          }
          this.scheduledExecutorService = scheduledExecutorService;
          if (TraceComponent.isAnyTracingEnabled() && LoggingUtil.SESSION_LOGGER_CORE.isLoggable(Level.FINER)) {
              LoggingUtil.SESSION_LOGGER_CORE.exiting(CLASS_NAME, "setScheduledExecutorService");
          }
      }
docs: Tracing is also added for debugging purposes