RegisterNodetypes:
    <slingevent='http://sling.apache.org/jcr/event/1.0'>
    <nt='http://www.jcp.org/jcr/nt/1.0'>
    <mix='http://www.jcp.org/jcr/mix/1.0'>
    
    [slingevent:Event] > nt:unstructured, nt:hierarchyNode
      - slingevent:topic (string)
      - slingevent:application (string)
      - slingevent:created (date)
      - slingevent:properties (binary)
      
    [slingevent:Job] > slingevent:Event, mix:lockable
      - slingevent:processor (string)
      - slingevent:id (string)
      - slingevent:finished (date)
     
    [slingevent:TimedEvent] > slingevent:Event, mix:lockable
      - slingevent:processor (string)
      - slingevent:id (string)
      - slingevent:expression (string)
      - slingevent:date (date)
      - slingevent:period (long)
RegisterNodetypes:
Just one line, not indented
RegisterNodetypes:
Using line prefixes
to avoid conflicts with Sling provisioning model parser