<xs:complexType name="IfcSurfaceCurveSweptAreaSolid">
<xs:complexContent>
<xs:extension base="ifc:IfcSweptAreaSolid">
<xs:sequence>
<xs:element name="Directrix">
<xs:complexType>
<xs:choice>
<xs:element ref="ifc:IfcCurve" />
</xs:choice>
</xs:complexType>
</xs:element>
<xs:element name="StartParam" type="ifc:IfcParameterValue" />
<xs:element name="EndParam" type="ifc:IfcParameterValue" />
<xs:element name="ReferenceSurface">
<xs:complexType>
<xs:choice>
<xs:element ref="ifc:IfcSurface" />
</xs:choice>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
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