docs: @Override
      protected Element getTextInput(final Element rssRoot) {
  
          final String elementName = getTextInputLabel();
  
          final Element eChannel = rssRoot.getChild("channel", getRSSNamespace());
          if (eChannel != null) {
              return eChannel.getChild(elementName, getRSSNamespace());
          } else {
              return null;
          }
  
      }