private boolean canGroupByChangelist(final Set<? extends AbstractVcs> abstractVcses) {
      if (myActionInfo.canGroupByChangelist()) {
        for (AbstractVcs vcs : abstractVcses) {
          if (vcs.getCachingCommittedChangesProvider() != null) {
            return true;
          }
        }
      }
      return false;
    }
private boolean canGroupByChangelist(final Set<? extends AbstractVcs> abstractVcses)