public String[] getExcluded()
    {
    return
      IteratorUtils.toArray(
        IteratorUtils.transformedIterator(
          excludedVars_.iterator(),
          VarNamePattern::toString),
        String.class);
    }
public String [ ] getExcluded ( ) { return IteratorUtils . toArray ( IteratorUtils . transformedIterator ( excludedVars_ . iterator ( ) , VarNamePattern :: toString ) , String . class ) ; }
Returns the set of input variables to be excluded from this combination.