class Z: y = Unique(Y)
class B: a = Unique(A)
class Y: x = Unique(X) z = Uplink()
class L: d = Unique(D)
class R: d = Unique(D)
class C: b = Unique(B)
class B: a = Maybe(Unique(A))
class B: a = Unique(A) ma = Maybe(Unique(A)) aa = Collection(A)
class B: a = Maybe(Unique(A), enabled=True)
class B: a = Unique(A) value = 0
class V: u = Unique(U)
class Squad(object): name = '' units = Collection(Unit) leader = Unique(Hero) player = Uplink()