(module test_22b3_xmod_e2e_classmod
  (class XR
    (param a)
    (method xr
      (type (fn-type (params a) (ret (con Int))))))
  (instance
    (class XR)
    (type (con Int))
    (method xr
      (body (lam (params (typed x a)) (ret (con Int)) (body 7))))))