def METHOD_NAME(self) -> None:
    """Test format_results."""
    test_dict = {
        "nested": {"bool": True, "nested_key": "nested_value"},
        "test_key": "test_value",
    }
    mute_map = MutableMap(**test_dict.copy())
    assert LookupHandler.format_results(test_dict) == test_dict
    assert LookupHandler.format_results(mute_map) == test_dict
    assert (
        LookupHandler.format_results(test_dict, get="test_key")
        == test_dict["test_key"]
    )
    assert (
        LookupHandler.format_results(mute_map, get="test_key")
        == mute_map["test_key"]
    )
    assert (
        LookupHandler.format_results(mute_map, get="nested")
        == mute_map["nested"].data
    )
    assert (
        LookupHandler.format_results(mute_map, get="nested.nested_key")
        == mute_map["nested"]["nested_key"]
    )
    assert LookupHandler.format_results(mute_map, get="nested.bool")
    assert LookupHandler.format_results(mute_map, transform="str") == json.dumps(
        json.dumps(test_dict, indent=0)
    )
    assert LookupHandler.format_results(
        mute_map, transform="str", indent=2
    ) == json.dumps(json.dumps(test_dict, indent=2))
    assert (
        LookupHandler.format_results(mute_map, get="nested.bool", transform="str")
        == '"True"'
    )
    with pytest.raises(TypeError):
        LookupHandler.format_results(["something"], get="key")