class A(pytd_utils.WrapsDict("m", writable=True)): pass
class A(pytd_utils.WrapsDict("m", implement_len=True)): pass
class A(pytd_utils.WrapsDict("m")): pass
class A(pytd_utils.WrapsDict("m", writable=True)): pass
class A(pytd_utils.WrapsDict("m", implement_len=True)): pass
class A(pytd_utils.WrapsDict("m")): pass