/**
  * Constructor
  * @param $filterGroup FilterGroup
  */
 function NativeXmlArticleGalleyFilter($filterGroup)
 {
     parent::NativeXmlRepresentationFilter($filterGroup);
 }
 /**
  * Constructor
  * @param $filterGroup FilterGroup
  */
 function NativeXmlPublicationFormatFilter($filterGroup)
 {
     parent::NativeXmlRepresentationFilter($filterGroup);
 }