ST_SplitType

<xsd:simpleType name="ST_SplitType">
  <xsd:restriction base="xsd:string">
    <xsd:enumeration value="auto"/>
    <xsd:enumeration value="cust"/>
    <xsd:enumeration value="percent"/>
    <xsd:enumeration value="pos"/>
    <xsd:enumeration value="val"/>
  </xsd:restriction>
</xsd:simpleType>