UnaryOp(
    @2-14 ParensAround(
        Apply(
            @2-6 Var {
                module_name: "",
                ident: "whee",
            },
            [
                @8-10 Num(
                    "12",
                ),
                @11-14 Var {
                    module_name: "",
                    ident: "foo",
                },
            ],
            Space,
        ),
    ),
    @0-1 Not,
)