syntax_data: {"ast_node_type":"other","tokens":[{"end":13,"kind":"keyword","start":0,"text":"}"}]}
source_snippet:             }
context_before:                 ty::Ref(r.try_fold_with(folder)?, ty.try_fold_with(folder)?, mutbl)
context_after:             ty::Coroutine(did, args) => ty::Coroutine(did, args.try_fold_with(folder)?),