{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"(tcx.lang_items().receiver_trait()?,"}]}
            (tcx.lang_items().receiver_trait()?, tcx.lang_items().receiver_target()?)
        let (trait_def_id, trait_target_def_id) = if self.use_receiver_trait {
        } else {