{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"//"}]}
        // we can still, e.g., match on a `&mut str` with a string literal pattern. This is because
        // We don't treat `&` and `&mut` as interchangeable, but by peeling `&mut`s before matching,
        // string literal patterns may be used where `str` is expected.