<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>