public void inform(SolrCore core) {
   List<PluginInfo> children = info.getChildren("highlighting");
   if (children.isEmpty()) {
     PluginInfo pluginInfo =
         core.getSolrConfig()
             .getPluginInfo(
                 SolrHighlighter.class.getName()); // TODO deprecated configuration remove later
     if (pluginInfo != null) {
       highlighter =
           core.createInitInstance(
               pluginInfo, SolrHighlighter.class, null, DefaultSolrHighlighter.class.getName());
       highlighter.initalize(core.getSolrConfig());
     } else {
       DefaultSolrHighlighter defHighlighter = new DefaultSolrHighlighter(core);
       defHighlighter.init(PluginInfo.EMPTY_INFO);
       highlighter = defHighlighter;
     }
   } else {
     highlighter =
         core.createInitInstance(
             children.get(0), SolrHighlighter.class, null, DefaultSolrHighlighter.class.getName());
   }
 }