@Override
                        void handleFailure(Throwable throwable) {
                            synchronized (results) {
                                results.addError(throwable, node);
                                results.tryComplete(node);
                            }
                        }
Fail futures in the given Map which were retried due to exceeding quota. We propagate
the initial error back to the caller if the request timed out.
clients/src/main/java/org/apache/kafka/clients/admin/KafkaAdminClient.java