@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getBrokerEBSVolumeInfo() != null)
            sb.append("BrokerEBSVolumeInfo: ").append(getBrokerEBSVolumeInfo()).append(",");
        if (getConfigurationInfo() != null)
            sb.append("ConfigurationInfo: ").append(getConfigurationInfo()).append(",");
        if (getNumberOfBrokerNodes() != null)
            sb.append("NumberOfBrokerNodes: ").append(getNumberOfBrokerNodes()).append(",");
        if (getEnhancedMonitoring() != null)
            sb.append("EnhancedMonitoring: ").append(getEnhancedMonitoring()).append(",");
        if (getOpenMonitoring() != null)
            sb.append("OpenMonitoring: ").append(getOpenMonitoring()).append(",");
        if (getKafkaVersion() != null)
            sb.append("KafkaVersion: ").append(getKafkaVersion()).append(",");
        if (getLoggingInfo() != null)
            sb.append("LoggingInfo: ").append(getLoggingInfo()).append(",");
        if (getInstanceType() != null)
            sb.append("InstanceType: ").append(getInstanceType()).append(",");
        if (getClientAuthentication() != null)
            sb.append("ClientAuthentication: ").append(getClientAuthentication()).append(",");
        if (getEncryptionInfo() != null)
            sb.append("EncryptionInfo: ").append(getEncryptionInfo()).append(",");
        if (getConnectivityInfo() != null)
            sb.append("ConnectivityInfo: ").append(getConnectivityInfo()).append(",");
        if (getStorageMode() != null)
            sb.append("StorageMode: ").append(getStorageMode()).append(",");
        if (getBrokerCountUpdateInfo() != null)
            sb.append("BrokerCountUpdateInfo: ").append(getBrokerCountUpdateInfo());
        sb.append("}");
        return sb.toString();
    }
Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
redacted from this string using a placeholder value.

@return A string representation of this object.

@see java.lang.Object#toString()
aws-java-sdk-kafka/src/main/java/com/amazonaws/services/kafka/model/MutableClusterInfo.java