{"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"self.mk_local_def_ids_from_iter("}]}
        self.mk_local_def_ids_from_iter(
            .filter(|def_id| self.is_coroutine(def_id.to_def_id()));
            self.opaque_types_defined_by(defining_anchor).iter().chain(coroutines_defined_by),