<xs:complexType name="IfcConstraint" abstract="true">
<xs:complexContent>
<xs:extension base="ex:Entity">
<xs:sequence>
<xs:element name="Name" type="ifc:IfcLabel" />
<xs:element name="Description" type="ifc:IfcText" nillable="true" minOccurs="0" />
<xs:element name="ConstraintGrade" type="ifc:IfcConstraintEnum" />
<xs:element name="ConstraintSource" type="ifc:IfcLabel" nillable="true" minOccurs="0" />
<xs:element name="CreatingActor" nillable="true" minOccurs="0">
<xs:complexType>
<xs:group ref="ifc:IfcActorSelect" />
</xs:complexType>
</xs:element>
<xs:element name="CreationTime" nillable="true" minOccurs="0">
<xs:complexType>
<xs:group ref="ifc:IfcDateTimeSelect" />
</xs:complexType>
</xs:element>
<xs:element name="UserDefinedGrade" type="ifc:IfcLabel" nillable="true" minOccurs="0" />
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
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