SpaceBefore(
    Defs(
        [
            @18-23 Body(
                @18-19 Identifier(
                    "x",
                ),
                @22-23 Num(
                    "5",
                ),
            ),
            @24-29 SpaceBefore(
                Body(
                    @24-25 Identifier(
                        "y",
                    ),
                    @28-29 Num(
                        "6",
                    ),
                ),
                [
                    Newline,
                ],
            ),
        ],
        @31-33 SpaceBefore(
            Num(
                "42",
            ),
            [
                Newline,
                Newline,
            ],
        ),
    ),
    [
        LineComment(
            " leading comment",
        ),
    ],
)