{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":".map_opaque_lifetime_to_parent_lifetime(def_id)"}]}
                                    .map_opaque_lifetime_to_parent_lifetime(def_id)
                                    .tcx
                                    .opt_param_def_id(self.tcx, self.parent_def_id.to_def_id())