<group name="Value">
<choice>
<element ref="gml:_Value" />
<element ref="gml:_Geometry" />
<element ref="gml:_TimeObject" />
<element ref="gml:Null" />
<element ref="gml:measure" />
</choice>
<!-- <xs:documentation> <xs:annotation>Utility choice group which unifies generic Values defined in this schema document with Geometry and Temporal objects and the Measures described above, so that any of these may be used within aggregate Values. </xs:annotation> </xs:documentation> -->
</group>
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