{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"opaque_type_key.iter_captured_args(infcx.tcx).map(|(_,"}]}
                    opaque_type_key.iter_captured_args(infcx.tcx).map(|(_, arg)| arg),
                    prev_decl_key.iter_captured_args(infcx.tcx).map(|(_, arg)| arg),
                )