[
    Interface(
        Interface {
            span: (
                3,
                1,
            ),
            attributes: [],
            name: SimpleIdentifier {
                span: (
                    3,
                    11,
                ),
                value: "s",
            },
            extends: None,
            body: InterfaceBody {
                start: (
                    3,
                    13,
                ),
                end: (
                    3,
                    14,
                ),
                members: [],
            },
        },
    ),
    Interface(
        Interface {
            span: (
                5,
                1,
            ),
            attributes: [],
            name: SimpleIdentifier {
                span: (
                    5,
                    11,
                ),
                value: "foo",
            },
            extends: Some(
                InterfaceExtends {
                    span: (
                        5,
                        15,
                    ),
                    parents: [
                        SimpleIdentifier {
                            span: (
                                5,
                                23,
                            ),
                            value: "s",
                        },
                    ],
                },
            ),
            body: InterfaceBody {
                start: (
                    5,
                    25,
                ),
                end: (
                    7,
                    1,
                ),
                members: [
                    Method(
                        Method {
                            start: (
                                6,
                                12,
                            ),
                            end: (
                                6,
                                34,
                            ),
                            name: SimpleIdentifier {
                                span: (
                                    6,
                                    21,
                                ),
                                value: "bar",
                            },
                            attributes: [],
                            parameters: MethodParameterList {
                                start: (
                                    6,
                                    24,
                                ),
                                end: (
                                    6,
                                    26,
                                ),
                                members: [],
                            },
                            body: None,
                            modifiers: MethodModifierGroup {
                                modifiers: [
                                    Public {
                                        start: (
                                            6,
                                            5,
                                        ),
                                        end: (
                                            6,
                                            12,
                                        ),
                                    },
                                ],
                            },
                            return_type: Some(
                                ParentReference,
                            ),
                            by_ref: false,
                        },
                    ),
                ],
            },
        },
    ),
]
