{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"tuple_field_accesses_rev:"}]}
            tuple_field_accesses_rev: Default::default(),
            table: unify::InferenceTable::new(db, trait_env),
            return_ty: TyKind::Error.intern(Interner), // set in collect_* calls