<complexType name="TrackType">
  <annotation>
    <documentation xml:lang="en">The track of a moving object is a sequence of specialized timeslices that indicate the status of the object.</documentation>
  </annotation>
  <complexContent>
    <restriction base="gml:HistoryPropertyType">
      <sequence maxOccurs="unbounded">
        <element ref="gml:MovingObjectStatus"/>
      </sequence>
    </restriction>
  </complexContent>
</complexType> |