syntax_data: {"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"ty::Ref(r.try_fold_with(folder)?,"}]}
source_snippet:                 ty::Ref(r.try_fold_with(folder)?, ty.try_fold_with(folder)?, mutbl)
context_before:             ty::Ref(r, ty, mutbl) => {
context_after:             }