<?xml version='1.0'?>
<xs:schema targetNamespace="http://www.w3.org/2001/XMLSchema-instance"
           xmlns:xs="http://www.w3.org/2001/XMLSchema">

 <xs:attribute name="nil"/>
 <xs:attribute name="type"/>
 <xs:attribute name="schemaLocation"/>
 <xs:attribute name="noNamespaceSchemaLocation"/>
</xs:schema>
