<root>
  <Schema xmlns="urn:schemas-microsoft-com:xml-data" xmlns:dt="urn:schemas-microsoft-com:datatypes" name="Schema18">
    <ElementType name="xxxt" content="empty" model="closed">
      <AttributeType name="id_yxxx" dt:type="i4" />
      <AttributeType name="xxx" dt:type="string" />
      <AttributeType name="zzz" dt:type="r8" />
      <AttributeType name="ttt" dt:type="i4" />
      <AttributeType name="ddd" dt:type="dateTime" />
      <AttributeType name="nnn" dt:type="string" />
      <AttributeType name="bbb" dt:type="bin.base64" />
      <attribute type="id_yxxx" />
      <attribute type="xxx" />
      <attribute type="zzz" />
      <attribute type="ttt" />
      <attribute type="ddd" />
      <attribute type="nnn" />
      <attribute type="bbb" />
    </ElementType>
  </Schema>
  <xxxt xmlns="x-schema:#Schema18" id_yxxx="1" xxx="xxzx" zzz="1.234500000000000e+002" ttt="54321" ddd="2011-08-12T00:00:00" nnn="jhtdjhfdjhgfgh" bbb="EjRWeA==" />
</root>

id_yxxx i4
xxx string
zzz r8
ttt i4
ddd dateTime
nnn string
bbb bin.base64