<xs:complexType name="WindowType">
	<xs:annotation>
		<xs:documentation> Type for windows in boundary surfaces. Used in LoD3 and LoD4 only . As subclass of _CityObject, a window
			inherits all attributes and relations, in particular an id, names, external references, generic attributes and
			generalization relations. </xs:documentation>
	</xs:annotation>
	<xs:complexContent>
		<xs:extension base="AbstractOpeningType">
			<xs:sequence>
				<xs:element ref="_GenericApplicationPropertyOfWindow" minOccurs="0" maxOccurs="unbounded"/>
			</xs:sequence>
		</xs:extension>
	</xs:complexContent>
</xs:complexType>