{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"ty::Str"}]}
            ty::Str => TyKind::RigidTy(RigidTy::Str),
            ty::Foreign(def_id) => TyKind::RigidTy(RigidTy::Foreign(tables.foreign_def(*def_id))),
            ty::Array(ty, constant) => {