code: public void resumeTriggers (final GroupMatcher <TriggerKey> matcher) throws SchedulerException
    {
      validateState ();
  
      final ICommonsCollection <String> pausedGroups = m_aResources.getJobStore ()
                                                                   .resumeTriggers (_getOrDefault (matcher));
      notifySchedulerThread (0L);
      for (final String pausedGroup : pausedGroups)
      {
        notifySchedulerListenersResumedTriggers (pausedGroup);
      }
    }
docs: <p>
  Resume (un-pause) all of the <code>{@link ITrigger}s</code> in the matching
  groups.
  </p>
  <p>
  If any <code>Trigger</code> missed one or more fire-times, then the
  <code>Trigger</code>'s misfire instruction will be applied.
  </p>