<xs:complexType name="topLevelSimpleType" abstract="true" >
  <xs:complexContent mixed="false">
    <xs:restriction base="xs:simpleType">
      <xs:sequence>
        <xs:element minOccurs="0" ref="xs:annotation"/>
        <xs:group ref="xs:simpleDerivation"/>
      </xs:sequence>
      <xs:attribute name="name" type="xs:NCName" use="required">
        <xs:annotation>
          <xs:documentation>
              Required at the top level
            </xs:documentation>
        </xs:annotation>
      </xs:attribute>
      <xs:anyAttribute namespace="##other" processContents="lax"/>
    </xs:restriction>
  </xs:complexContent>
</xs:complexType>