{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"forward_ty_ban_rib_const_param_ty"}]}
                        forward_ty_ban_rib_const_param_ty = this.ribs[TypeNS].pop().unwrap();
                        forward_const_ban_rib_const_param_ty = this.ribs[ValueNS].pop().unwrap();