warning-type

<xs:attribute name="warning-type">
  <xs:simpleType>
    <xs:restriction base="xs:string">
      <xs:enumeration value="reclass-destination"/>
      <xs:enumeration value="reclass-source"/>
      <xs:enumeration value="ipc-not-used"/>
    </xs:restriction>
  </xs:simpleType>
</xs:attribute>