<xs:complexType name="all" abstract="true" >
  <xs:annotation>
    <xs:documentation>
   Only elements allowed inside</xs:documentation>
  </xs:annotation>
  <xs:complexContent mixed="false">
    <xs:restriction base="xs:explicitGroup">
      <xs:group ref="xs:allModel"/>
      <xs:attribute default="1" name="minOccurs" use="optional">
        <xs:simpleType>
          <xs:restriction base="xs:nonNegativeInteger">
            <xs:enumeration value="0"/>
            <xs:enumeration value="1"/>
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
      <xs:attribute default="1" name="maxOccurs" use="optional">
        <xs:simpleType>
          <xs:restriction base="xs:allNNI">
            <xs:enumeration value="1"/>
          </xs:restriction>
        </xs:simpleType>
      </xs:attribute>
      <xs:anyAttribute namespace="##other" processContents="lax"/>
    </xs:restriction>
  </xs:complexContent>
</xs:complexType>