decorator/src/test/resources/test-resources/sd.xml

<service-decorations xmlns="http://cxf.apache.org/xmlns/service-decoration/1.0.0">
  <service-decoration>
    <match interface="org.acme.foo.*">
      <match-property name="test.prop" value="xyz"/>
      <add-property name="test.too" value="ahaha" type="java.lang.String"/>
    </match>
  </service-decoration>
</service-decorations>