| <xs:element name="serialization">
  <xs:complexType>
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element ref="p:documentation"/>
      <xs:element ref="p:pipeinfo"/>
    </xs:choice>
    <xs:attribute ref="xml:id"/>
    <xs:attribute ref="xml:base"/>
    <xs:attribute name="use-when"/>
    <xs:attribute name="port" type="xs:NMTOKEN" use="required"/>
    <xs:attribute name="byte-order-mark">
      <xs:simpleType>
        <xs:restriction base="xs:NMTOKEN">
          <xs:enumeration value="0"/>
          <xs:enumeration value="1"/>
          <xs:enumeration value="true"/>
          <xs:enumeration value="false"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
    <xs:attribute name="cdata-section-elements" type="xs:NMTOKENS"/>
    <xs:attribute name="doctype-public"/>
    <xs:attribute name="doctype-system"/>
    <xs:attribute name="encoding" type="xs:NMTOKEN"/>
    <xs:attribute name="escape-uri-attributes">
      <xs:simpleType>
        <xs:restriction base="xs:NMTOKEN">
          <xs:enumeration value="0"/>
          <xs:enumeration value="1"/>
          <xs:enumeration value="true"/>
          <xs:enumeration value="false"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>
    <xs:attribute name="include-content-type">
      <xs:simpleType>
        <xs:restriction base="xs:NMTOKEN">
          <xs:enumeration value="0"/> |