{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"SelfKind::Value(mutbl)"}]}
            SelfKind::Value(mutbl) => (mutbl, infer_ty),
            SelfKind::Explicit(ty, mutbl) => (mutbl, ty),
            SelfKind::Region(lt, mutbl) => (