DefinitionTree {
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                comments: CommentGroup {
                    comments: [],
                },
                attributes: [],
                modifiers: ClassModifierDefinitionGroup {
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                    position: 0,
                },
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                    position: 6,
                    value: "s",
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                templates: None,
                extends: None,
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                    members: [],
                    right_brace: 9,
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        ),
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                    comments: [],
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                    position: 12,
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                    value: "foo",
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                templates: None,
                extends: Some(
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                                position: 30,
                                value: "s",
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                            templates: None,
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                    left_brace: 32,
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                                templates: None,
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                                        commas: [],
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                                    right_parenthesis: 58,
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                                            templates: None,
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                                constraints: None,
                                body: BlockStatement {
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                                        comments: [],
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                                    left_brace: 68,
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                                                    comments: [],
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                                                                comments: [],
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    eof: 102,
}