{"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"TyKind::Closure(closure_id,"}]}
        TyKind::Closure(closure_id, subst) => {
        TyKind::Slice(ty) => db.has_drop_glue(ty.clone(), env),
            let owner = db.lookup_intern_closure((*closure_id).into()).0;