---
LetIn {
    bindings: [
        KeyValue(
            AttributePath {
                attributes: [
                    Raw {
                        content: "greeting",
                        position: (2, 3),
                    },
                ],
            },
            String {
                parts: [
                    Raw {
                        content: "Hello World!",
                        position: (2, 15),
                    },
                ],
            },
        ),
    ],
    target: Variable {
        identifier: "greeting",
        position: (4, 3),
    },
}