(header ((h) ihello provides) ((sut) hello_complete_reply component) ((w) ihello requires))
<external>.h.hello -> ...
... -> sut.h.hello
sut.w.hello -> ...
... -> <external>.w.hello
... <- <external>.w.false
sut.w.false <- ...
... <- sut.h.false
<external>.h.false <- ...
(trail "h.hello" "w.hello" "w.false" "h.false")
(labels "h.hello")
(eligible "h.hello")
