docs: @Override
      public OptionalThing<LaScheduledJob> findJobByKey(LaJobKey jobKey) {
          assertArgumentNotNull("jobKey", jobKey);
          @SuppressWarnings("unchecked")
          final OptionalThing<LaScheduledJob> job = (OptionalThing<LaScheduledJob>) schedulingNow.findJobByKey(jobKey);
          return job;
      }