<xs:complexType name="IfcUnitType">
    <xs:sequence>
      <xs:element name="dimensions" minOccurs="0" type="xs:integer"/>
      <xs:element name="unitType" minOccurs="0" type="uro:IfcUnitEnum"/>
      <xs:element name="prefix" minOccurs="0" type="xs:string"/>
      <xs:element name="name" minOccurs="0" type="xs:string"/>
    </xs:sequence>
  </xs:complexType>