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                line: 1,
                column: 1,
                position: 0,
            },
        },
    ),
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                                span: Span {
                                    line: 3,
                                    column: 1,
                                    position: 7,
                                },
                                value: "foo",
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                        comments: CommentGroup {
                            comments: [],
                        },
                        left_parenthesis: Span {
                            line: 3,
                            column: 4,
                            position: 10,
                        },
                        arguments: [
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                                PositionalArgument {
                                    comments: CommentGroup {
                                        comments: [],
                                    },
                                    ellipsis: None,
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                                                span: Span {
                                                    line: 3,
                                                    column: 5,
                                                    position: 11,
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                                    comments: CommentGroup {
                                        comments: [],
                                    },
                                    ellipsis: None,
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                                                    line: 3,
                                                    column: 9,
                                                    position: 15,
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                            ),
                            Positional(
                                PositionalArgument {
                                    comments: CommentGroup {
                                        comments: [],
                                    },
                                    ellipsis: None,
                                    value: Variable(
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                                            SimpleVariable {
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                                                    line: 3,
                                                    column: 13,
                                                    position: 19,
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                            Positional(
                                PositionalArgument {
                                    comments: CommentGroup {
                                        comments: [],
                                    },
                                    ellipsis: Some(
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                                            line: 3,
                                            column: 17,
                                            position: 23,
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                                                span: Span {
                                                    line: 3,
                                                    column: 20,
                                                    position: 26,
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                            column: 22,
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                    column: 23,
                    position: 29,
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