[
    Expression {
        expr: New {
            target: AnonymousClass {
                attributes: [],
                extends: None,
                implements: [],
                body: [
                    Method {
                        name: Identifier {
                            name: "foo",
                        },
                        attributes: [],
                        params: [],
                        body: [],
                        flags: [
                            Public,
                        ],
                        return_type: None,
                        by_ref: false,
                    },
                ],
            },
            args: [],
        },
    },
]