DefinitionTree {
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                    value: "namespace",
                    position: 0,
                },
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                    position: 10,
                    value: "Foo\Bar",
                },
                semicolon: 17,
                definitions: [
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                            comments: CommentGroup {
                                comments: [],
                            },
                            attributes: [],
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                                modifiers: [
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                                            position: 20,
                                        },
                                    ),
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                            },
                            class: Keyword {
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                                position: 26,
                            },
                            name: Identifier {
                                position: 32,
                                value: "Baz",
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                            templates: None,
                            extends: None,
                            implements: None,
                            body: ClassDefinitionBody {
                                left_brace: 36,
                                members: [
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                                                comments: [],
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                                            attributes: [],
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                                                modifiers: [
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                                            templates: None,
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                                                comments: CommentGroup {
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                                                },
                                                left_parenthesis: 70,
                                                parameters: CommaSeparated {
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                                                            comments: CommentGroup {
                                                                comments: [],
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                                                            modifiers: ModifierGroupDefinition {
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                                                                modifiers: [
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                                                            ellipsis: None,
                                                            variable: Variable {
                                                                position: 105,
                                                                name: "$name",
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                                                            default: Some(
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                                                                                comments: CommentGroup {
                                                                                    comments: [],
                                                                                },
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                                                                                position: 113,
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                                                                    ),
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                                                    commas: [
                                                        118,
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                                                right_parenthesis: 125,
                                            },
                                            return_type: None,
                                            constraints: None,
                                            body: Concrete(
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                                                        comments: [],
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                                                    left_brace: 127,
                                                    statements: [],
                                                    right_brace: 128,
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                                right_brace: 130,
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    eof: 132,
}