{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"///"}]}
    /// to `&Ty` or `Box<Ty>`, respectively. `Ty` is `[A]` or `Trait`.
    /// This rvalue expression will be wrapped in `&` or `Box` and coerced
    ExpectRvalueLikeUnsized(Ty<'tcx>),