Constructs a federated type of the form {T}@CLIENTS.

Used in the notebooks

Used in the tutorials

type_spec An instance of tff.Type or something convertible to it.
all_equal The all_equal bit, False by default.

The type of the form {T}@CLIENTS (by default) or T@CLIENTS (if specified by setting the all_equal bit), where T is the type_spec.