<xs:complexType name="FloorSurfaceType">
<xs:complexContent>
<xs:extension base="AbstractBoundarySurfaceType">
<xs:sequence>
<xs:element ref="_GenericApplicationPropertyOfFloorSurface" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>