<complexType name="AbstractTimeSliceType" abstract="true">
<annotation>
<documentation xml:lang="en">
A timeslice encapsulates the time-varying properties of a dynamic feature--it
must be extended to represent a timestamped projection of a feature. The dataSource
property describes how the temporal data was acquired.
</documentation>
</annotation>
<complexContent>
<extension base="gml:AbstractGMLType">
<sequence>
<element ref="gml:timeStamp" />
<element ref="gml:dataSource" minOccurs="0" />
</sequence>
</extension>
</complexContent>
</complexType>
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