<models xmlns:xi="http://www.w3.org/2001/XInclude">
  <xi:include href="../../primitives/lutff/lutff.model.xml" xpointer="xpointer(models/child::node())"/>
  <model name="CARRY">
    <input_ports>
      <port name="CIN" combinational_sink_ports="COUT"/>
      <port name="LIN" combinational_sink_ports="COUT"/>
    </input_ports>
    <output_ports>
      <port name="COUT"/>
    </output_ports>
  </model>
</models>