DefinitionTree {
    definitions: [
        Class(
            ClassDefinition {
                comments: CommentGroup {
                    comments: [],
                },
                attributes: [],
                modifiers: ModifierGroupDefinition {
                    position: 0,
                    modifiers: [],
                },
                class: Keyword {
                    value: "class",
                    position: 0,
                },
                name: Identifier {
                    position: 6,
                    value: "A",
                },
                templates: None,
                extends: None,
                implements: Some(
                    ClassDefinitionImplements {
                        implements: Keyword {
                            value: "implements",
                            position: 8,
                        },
                        interfaces: CommaSeparated {
                            inner: [
                                TemplatedIdentifier {
                                    name: Identifier {
                                        position: 19,
                                        value: "B",
                                    },
                                    templates: None,
                                },
                                TemplatedIdentifier {
                                    name: Identifier {
                                        position: 22,
                                        value: "C",
                                    },
                                    templates: None,
                                },
                            ],
                            commas: [
                                20,
                            ],
                        },
                    },
                ),
                body: ClassDefinitionBody {
                    left_brace: 24,
                    members: [],
                    right_brace: 25,
                },
            },
        ),
    ],
    eof: 27,
}