@1-18 SpaceBefore(
    Backpassing(
        [
            @1-3 Identifier {
                ident: "ex",
            },
        ],
        @5-6 Var {
            module_name: "",
            ident: "f",
        },
        @8-18 SpaceBefore(
            Backpassing(
                [
                    @8-9 SpaceAfter(
                        Identifier {
                            ident: "s",
                        },
                        [
                            LineComment(
                                "q",
                            ),
                        ],
                    ),
                ],
                @14-15 Var {
                    module_name: "",
                    ident: "f",
                },
                @17-18 SpaceBefore(
                    Var {
                        module_name: "",
                        ident: "s",
                    },
                    [
                        LineComment(
                            "",
                        ),
                    ],
                ),
            ),
            [
                LineComment(
                    "",
                ),
            ],
        ),
    ),
    [
        Newline,
    ],
)