class D(C):
d = Int()
class B(Configurable):
i = Int().tag(config=True)
class C(trc.Configurable, cmdlets.Replaceable):
a = Int(config=1)
b = Int(config=1)
class C(trt.HasTraits, cmdlets.Printable):
c = Int()
class C(cmdlets.Replaceable, trt.HasTraits):
a = Int()
class D(C):
b = Int().tag(printable=True)
d = Int()
class C(trt.HasTraits, cmdlets.Printable):
a = Int().tag(printable=True)
c = Int()
class C(B, cmdlets.Printable):
a = Int().tag(printable=True)
c = Int()
class B(trt.HasTraits):
w = Int().tag(printable=True)
y = Int()
pass