<?xml version="1.0" encoding="UTF-8"?>
<model>
  <entity name="url-pattern" root="true">
    <entity-ref name="pattern-item" type="list" names="pattern-items" />
  </entity>
  <entity name="pattern-item">
    <attribute name="group" value-type="String" />
    <attribute name="name" value-type="String" />
    <attribute name="pattern" value-type="String" />
  </entity>
</model>