docs: @Nonnull
    public static String getAsHTMLString (@Nonnull final IHCNode aHCNode,
                                          @Nonnull final IHCConversionSettings aConversionSettings)
    {
      final IMicroNode aMicroNode = getAsNode (aHCNode, aConversionSettings);
      if (aMicroNode == null)
        return "";
  
      return MicroWriter.getNodeAsString (aMicroNode, aConversionSettings.getXMLWriterSettings ());
    }