{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"//"}]}
                                // Debug`) are in `rustc_hir_typeck`.
                                // Note that other checks (such as denying `dyn Send` -> `dyn
                                if let ty::Dynamic(src_tty, _src_lt, ty::Dyn) = *src_tail.kind()