gemfire-core/src/test/resources/com/gemstone/gemfire/cache30/sameSubregion.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE cache PUBLIC
    "-//GemStone Systems, Inc.//GemFire Declarative Caching 4.1//EN"
    "http://www.gemstone.com/dtd/cache4_1.dtd">

<!-- This file contains a cache with the same root region declared
     twice -->

<cache>
  <vm-root-region name="root">
    <region-attributes>
      <value-constraint>java.lang.String</value-constraint>
    </region-attributes>
    <region name="sub">
      <region-attributes>
        <value-constraint>java.lang.Integer</value-constraint>
      </region-attributes>
    </region>
    <region name="sub">
      <region-attributes>
        <value-constraint>java.lang.Integer</value-constraint>
      </region-attributes>
    </region>
  </vm-root-region>
</cache>