{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"|mv_kind|"}]}
            |mv_kind| matches!(mv_kind, MetaVarKind::Ty { .. }),
        if let Some(ty) = self.eat_metavar_seq_with_matcher(
            |this| this.parse_ty_no_question_mark_recover(),