[
    Class {
        name: Identifier {
            name: "foo",
        },
        attributes: [],
        extends: None,
        implements: [],
        body: [
            TraitUse {
                traits: [
                    Identifier {
                        name: "a",
                    },
                    Identifier {
                        name: "b",
                    },
                ],
                adaptations: [],
            },
        ],
        flags: [],
    },
]