<xs:complexType name="BoundedByWaterSurfacePropertyType">
	<xs:annotation>
		<xs:documentation>Denotes the relation of a WaterBody to its boundary surfaces, which are of type _WaterBoundarySurface. The
			BoundedByWaterSurfacePropertyType element must either carry a reference to a _WaterBoundarySurface object or contain a
			_WaterBoundarySurface object inline, but neither both nor none. </xs:documentation>
	</xs:annotation>
	<xs:sequence minOccurs="0">
		<xs:element ref="_WaterBoundarySurface"/>
	</xs:sequence>
	<xs:attributeGroup ref="gml:AssociationAttributeGroup"/>
</xs:complexType>