    # File lib/chef/solr_query/lucene_nodes.rb, line 41
        def transform
          field = self.elements[0].text_value
          term = self.elements[1]
          if term.is_a? Phrase
            str = term.transform
            # remove quotes
            str = str[1 ... (str.length - 1)]
            "content:\"#{field}#{SEP}#{str}\""
          else
            "content:#{field}#{SEP}#{term.transform}"
          end
        end