syntax_data: {"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"ty::Ref(r,"}]}
source_snippet:             ty::Ref(r, ty, mutbl) => ty::Ref(r.fold_with(folder), ty.fold_with(folder), mutbl),
context_before:             ty::UnsafeBinder(f) => ty::UnsafeBinder(f.fold_with(folder)),
context_after:             ty::Coroutine(did, args) => ty::Coroutine(did, args.fold_with(folder)),