DefinitionTree {
    definitions: [
        Class(
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                comments: CommentGroup {
                    comments: [],
                },
                attributes: [],
                modifiers: ModifierGroupDefinition {
                    position: 0,
                    modifiers: [],
                },
                class: Keyword {
                    value: "class",
                    position: 0,
                },
                name: Identifier {
                    position: 6,
                    value: "Foo",
                },
                templates: None,
                extends: Some(
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                        extends: Keyword {
                            value: "extends",
                            position: 10,
                        },
                        parent: TemplatedIdentifier {
                            name: Identifier {
                                position: 18,
                                value: "Bar",
                            },
                            templates: None,
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                ),
                implements: None,
                body: ClassDefinitionBody {
                    left_brace: 22,
                    members: [],
                    right_brace: 23,
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            },
        ),
    ],
    eof: 24,
}