(header ((h) ihello provides) ((sut) illegal_async_req component))
<external>.h.hello -> ...
... -> sut.h.hello
... <- sut.h.return
<external>.h.return <- ...
(trail "h.hello" "h.return")
test/all/illegal_async_req/illegal_async_req.dzn:43:20: error: illegal
<external>.h.hello -> ...
... -> sut.h.hello
<illegal>
test/all/illegal_async_req/illegal_async_req.dzn:43:20: error: illegal
(trail "h.hello" "<illegal>")
(labels "h.hello")
(eligible)
