anchor.diff:  
   [source,xml,options="nowrap"]
   ----
  -<subsystem xmlns="urn:jboss:domain:agroal:1.0">
  +<subsystem xmlns="urn:jboss:domain:datasources-agroal:2.0">
        <datasource [...]>
           [...]
           <connection-factory driver="h2" url="jdbc:h2:tcp://localhost:1701" transaction-isolation="SERIALIZABLE" new-connection-sql="SELECT 1" username="sa" password="sa">
  
positive.code:     <extension module="org.wildfly.extension.datasources-agroal"/>
      [...]
  </extensions>
  <subsystem xmlns="urn:jboss:domain:agroal:1.0">
      [...]
  </subsystem>
  ----
  
negative.code: 
  At the moment there are no attributes specific to a XADataSource definition.
  
  [[agroal-known-limits]]
  == Agroal known limitations
  The subsystem to define default datasources remains "datasources" at the moment.
  