private ConfigEntry configEntry(CreatableTopicConfigs config) {
                return new ConfigEntry(
                    config.name(),
                    config.value(),
                    configSource(DescribeConfigsResponse.ConfigSource.forId(config.configSource())),
                    config.isSensitive(),
                    config.readOnly(),
                    Collections.emptyList(),
                    null,
                    null);
            }
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