SpaceBefore(
    Backpassing(
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                ident: "x",
            },
        ],
        @23-32 ParensAround(
            Closure(
                [
                    @25-26 Identifier {
                        ident: "y",
                    },
                ],
                @30-31 Var {
                    module_name: "",
                    ident: "y",
                },
            ),
        ),
        @33-43 SpaceBefore(
            Backpassing(
                [
                    @33-34 Identifier {
                        ident: "z",
                    },
                ],
                @38-40 Record(
                    [],
                ),
                @42-43 SpaceBefore(
                    Var {
                        module_name: "",
                        ident: "x",
                    },
                    [
                        Newline,
                        Newline,
                    ],
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                Newline,
            ],
        ),
    ),
    [
        LineComment(
            " leading comment",
        ),
    ],
)