Defs(
    [
        |L 0-0, C 0-33| Annotation(
            |L 0-0, C 0-3| Identifier(
                "foo",
            ),
            |L 0-0, C 6-33| As(
                |L 0-0, C 6-21| Apply(
                    "Foo.Bar",
                    "Baz",
                    [
                        |L 0-0, C 18-19| BoundVariable(
                            "x",
                        ),
                        |L 0-0, C 20-21| BoundVariable(
                            "y",
                        ),
                    ],
                ),
                [],
                AliasHeader {
                    name: |L 0-0, C 25-29| "Blah",
                    vars: [
                        |L 0-0, C 30-31| Identifier(
                            "a",
                        ),
                        |L 0-0, C 32-33| Identifier(
                            "b",
                        ),
                    ],
                },
            ),
        ),
    ],
    |L 2-2, C 0-2| SpaceBefore(
        Num(
            "42",
        ),
        [
            Newline,
            Newline,
        ],
    ),
)