class ProducerMetadata extends Metadata {

    @Override
    public synchronized void close() {
        super.close();
        notifyAll();
    }

    public  ProducerMetadata(long refreshBackoffMs,
                            long metadataExpireMs,
                            long metadataIdleMs,
                            LogContext logContext,
                            ClusterResourceListeners clusterResourceListeners,
                            Time time);

}