code: @Override
     void writeAsConfigPropsXml(List<ConfigPropType> props, Writer out, int indent) throws IOException
     {
        writeRequireConfigPropsXml(props, out, indent);
        writeConfigPropsXml(props, out, indent);
     }
docs: Output As config props xml part
  
  @param props  config properties
  @param out    Writer
  @param indent space number
  @throws IOException ioException