<Entity name="CollisionGroup">
  <Attribute.Scalar name="id" type="UInt:32bit"/>
  <Attribute.Scalar name="name" type="Name"/>
  <Attribute.HashSet name="sets" type="Physics.CollisionGroupSetPtr"/>
  <Attribute.HashSet name="disabledGroups" type="Physics.CollisionGroupPtr"/>
  <Attribute.Pointer name="manager" type="agxCollide::CollisionGroupManager"/>
</Entity>
