public void setTargetScheduledExecutorService(ScheduledExecutorService targetScheduledExecutorService) {
        super.setTargetExecutorService(targetScheduledExecutorService);
        this.targetScheduledExecutorService = targetScheduledExecutorService;
    }
Same concept as the {@link SubjectAwareExecutorService} but additionally supports the
{@link ScheduledExecutorService} interface.
core/src/main/java/org/apache/shiro/concurrent/SubjectAwareScheduledExecutorService.java