[]
[]
[(Foo.x, [])]
[(Foo.x.y, [])]
[(Foo.x, [z, w])]
[(Foo.x, []), (Boo.x, [])]
[(Foo.x.y, [])]
[(Foo.x, [z, w]), (Boo.x, [z, w])]
[(Foo.x, []), (Boo.x, []), (Bla.x, [])]
[(Foo.x, [w, h, r]), (Boo.x, [w, h, r]), (Bla.x, [w, h, r])]
[(Foo.x.y, [])]