public void SetContentHandler(BoilerpipeHtmlContentHandler contentHandler) {
 	_contentHandler = contentHandler;
 }
 public void SetContentHandler(IContentHandler contentHandler) {
 	_contentHandler = null;
 }
 /// <summary>
 ///   Constructs a <see cref="BoilerpipeHtmlParser"/> using the given <see cref="IContentHandler" />.
 /// </summary>
 /// <param name="contentHandler">the <see cref="IContentHandler" /> to use</param>
 public BoilerpipeHtmlParser(BoilerpipeHtmlContentHandler contentHandler) {
   SetContentHandler(contentHandler);
 }