<xs:schema
    xmlns:tns="http://schemas.datacontract.org/2004/07/baz"
    xmlns:ser="http://schemas.microsoft.com/2003/10/Serialization/"
    elementFormDefault="qualified"
    targetNamespace="http://schemas.datacontract.org/2004/07/baz" 
    xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:import namespace="http://schemas.microsoft.com/2003/10/Serialization/" />
  <xs:complexType name="T3">
    <xs:annotation>
      <xs:appinfo>
        <IsDictionary xmlns="http://schemas.microsoft.com/2003/10/Serialization/">true</IsDictionary>
      </xs:appinfo>
    </xs:annotation>
    <xs:sequence>
      <xs:element minOccurs="0" maxOccurs="unbounded" name="KeyValueOfstringduration">
        <xs:complexType>
          <xs:sequence>
            <xs:element name="MyKey" nillable="true" type="xs:string" />
            <xs:element name="MyValue" nillable="true" type="xs:string" />
          </xs:sequence>
        </xs:complexType>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
  <xs:element name="T3" nillable="true" type="tns:T3" />
</xs:schema>