{"ast_node_type":"variable","tokens":[{"end":64,"kind":"keyword","start":0,"text":"let"}]}
                    let id = tcx.local_def_id_to_hir_id(def_id);
                if let Some(def_id) = type_param.def_id.as_local() {
                    // Get the `hir::Param` to verify whether it already has any bounds.