SpaceBefore(
    Defs(
        [
            @18-23 Value(
                Body(
                    @18-19 Identifier(
                        "x",
                    ),
                    @22-23 Num(
                        "5",
                    ),
                ),
            ),
        ],
        @25-27 SpaceBefore(
            Num(
                "42",
            ),
            [
                Newline,
                Newline,
            ],
        ),
    ),
    [
        LineComment(
            " leading comment",
        ),
    ],
)