code: public void unscheduleTrigger(ScheduledTrigger scheduledTrigger) throws SchedulerException {
          if (!initialized.get())
              throw new SchedulerException("Trigger service is not initialized. initialize() must be called before calling unscheduleTrigger() method");
          try {
              scheduler.unscheduleQuartzJob(scheduledTrigger.getId(), Scheduler.DEFAULT_GROUP);
              scheduledTrigger.setQuartzTrigger(null);
              logger.info("Successfully unscheduled {}", scheduledTrigger);
          } catch (org.quartz.SchedulerException e) {
              throw new SchedulerException("Exception occurred while unscheduling trigger: " + scheduledTrigger, e);
          }
      }
docs: Un-schedules the {@code Trigger}.
  @warn exception SchedulerException description missing
  @warn parameter scheduledTrigger description missing
  
  @param scheduledTrigger
  @throws SchedulerException