{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"forward_ty_ban_rib_const_param_ty.bindings.clear();"}]}
            forward_ty_ban_rib_const_param_ty.bindings.clear();
        if !self.r.tcx.features().generic_const_parameter_types() {
            forward_const_ban_rib_const_param_ty.bindings.clear();