<xs:complexType name="IntTunnelInstallationPropertyType">
	<xs:annotation>
		<xs:documentation>Denotes the relation of a Tunnel to its internal installations. The InteriorTunnelInstallationPropertyType
			element must either carry a reference to a IntTunnelInstallation object or contain a IntTunnelInstallation object inline,
			but neither both nor none. </xs:documentation>
	</xs:annotation>
	<xs:sequence minOccurs="0">
		<xs:element ref="IntTunnelInstallation"/>
	</xs:sequence>
	<xs:attributeGroup ref="gml:AssociationAttributeGroup"/>
</xs:complexType>