def METHOD_NAME():
    class Bundle(MotorBundle):
        a = Cpt(EpicsMotor, ":mtr1")
        b = Cpt(EpicsMotor, ":mtr2")
        c = Cpt(EpicsMotor, ":mtr3")
    bundle = Bundle("sim", name="bundle")
    assert bundle.hints["fields"] == ["bundle_{}".format(k) for k in "abc"]
    # Test old-style attributes.
    assert set(bundle.read_attrs) == set(
        list("abc")
        + [".".join([p, c]) for p in "abc" for c in ["user_readback", "user_setpoint"]]
    )
    assert set(bundle.configuration_attrs) == set(
        list("abc")
        + [
            ".".join([p, c])
            for p in "abc"
            for c in [
                "user_offset",
                "user_offset_dir",
                "velocity",
                "acceleration",
                "motor_egu",
            ]
        ]
    )