<bean id="moreComplexObject" class="example.ComplexObject">

  <property name="adminEmails">

    <props>

        <prop key="administrator">administrator@example.org</prop>

    </props>

  </property>

  <property name="someList">

    <list>

        <value>a list</value>

        <ref bean="myDataSource" />

    </list>

  </property>

  <property name="someMap">

    <map>

        <entry key="1" value="INDIA"/>

         <ref bean="myDataSource" />

    </map>

  </property>

  <property name="someSet">

    <set>

        <value>just some string</value>

        <ref bean="myDataSource" />

    </set>

  </property>

</bean>