result = new ElisionFilter(matchVersion, result, DEFAULT_ARTICLES);
result = new IrishLowerCaseFilter(result);
result = new StopFilter(matchVersion, result, stopwords);
if(!stemExclusionSet.isEmpty())
result = new KeywordMarkerFilter(result, stemExclusionSet);
result = new SnowballFilter(result, new IrishStemmer());
return new TokenStreamComponents(source, result);
}