<complexType name="AbstractGMLType" abstract="true">
<annotation>
<appinfo source="urn:opengis:specification:gml:schema-xsd:gmlBase:3.1.1">gmlBase.xsd</appinfo>
<documentation>All complexContent GML elements are directly or indirectly derived from this abstract supertype
to establish a hierarchy of GML types that may be distinguished from other XML types by their ancestry.
Elements in this hierarchy may have an ID and are thus referenceable. </documentation>
</annotation>
<sequence>
<group ref="gml:StandardObjectProperties" />
</sequence>
<attribute ref="gml:id" use="optional" />
</complexType>
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