{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":".map_opaque_lifetime_to_parent_lifetime(def_id)"}]}
                        .map_opaque_lifetime_to_parent_lifetime(def_id)
                    && let Some(def_id) = tcx
                        .opt_param_def_id(tcx, tcx.parent(opaque_def_id.to_def_id()))