{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"///"}]}
///     // `AsyncFnMut::async_call_mut`. Let's call that lifetime `'call`. Since
///     // However, when we call `c()`, we implicitly autoref for the signature of
///     // the maximum that `&'call mut &'1 mut i32` can be reborrowed is `&'call mut i32`,