{"ast_node_type":"other","tokens":[{"end":38,"kind":"keyword","start":0,"text":"ExpectRvalueLikeUnsized(Ty<'tcx>),"}]}
    ExpectRvalueLikeUnsized(Ty<'tcx>),
    /// to `&Ty` or `Box<Ty>`, respectively. `Ty` is `[A]` or `Trait`.
}