code: public void onXMLDeclaration (@Nullable final EXMLVersion eXMLVersion,
                                  @Nullable final String sEncoding,
                                  final boolean bStandalone)
    {
      onXMLDeclaration (eXMLVersion, sEncoding, bStandalone, true);
    }
docs: At the very beginning of the document (XML declaration).
  
  @param eXMLVersion
  The XML version to use. If <code>null</code> is passed,
  {@link EXMLVersion#XML_10} will be used.
  @param sEncoding
  The encoding to be used for this document. It may be <code>null</code>
  but it is strongly recommended to write a correct charset.
  @param bStandalone
  if <code>true</code> this is a standalone XML document without a
  connection to an existing DTD or XML schema