[
    Class {
        name: Identifier {
            start: (
                1,
                22,
            ),
            name: "Foo",
            end: (
                1,
                26,
            ),
        },
        attributes: [],
        extends: None,
        implements: [],
        body: [],
        modifiers: ClassModifierGroup {
            modifiers: [
                Readonly {
                    start: (
                        1,
                        7,
                    ),
                    end: (
                        1,
                        16,
                    ),
                },
            ],
        },
    },
]