<xsd:attribute name="class" type="xsd:string" use="optional"/>
<xsd:attribute name="units" type="xsd:string" use="optional"/>
<xsd:attribute name="unitType" type="xsd:string" use="optional"/>
<xsd:attribute name="class" type="xsd:string" use="optional"/>
<xsd:attribute name="units" type="xsd:string" use="optional"/>
<xsd:attribute name="unitType" type="xsd:string" use="optional"/>