def METHOD_NAME(identifier: str, *, basis_change: Optional['cirq.Gate']) -> CellMaker:
    return CellMaker(
        identifier=identifier,
        size=1,
        maker=lambda args: ControlCell(
            qubit=args.qubits[0], basis_change=_basis_else_empty(basis_change, args.qubits[0])
        ),
    )