code: public Analyzer<Partition<T>> getOrCreateAnalyzer()
     {
        Node node = childNode.getOrCreate("analyzer");
        Analyzer<Partition<T>> analyzer = new AnalyzerImpl<Partition<T>>(this, "analyzer", childNode, node);
        return analyzer;
     }
docs: If not already created, a new <code>analyzer</code> element with the given value will be created.
  Otherwise, the existing <code>analyzer</code> element will be returned.
  @return  a new or existing instance of <code>Analyzer<Partition<T>></code>