@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getBatchSize() != null)
            sb.append("BatchSize: ").append(getBatchSize()).append(",");
        if (getMaximumBatchingWindowInSeconds() != null)
            sb.append("MaximumBatchingWindowInSeconds: ").append(getMaximumBatchingWindowInSeconds()).append(",");
        if (getCredentials() != null)
            sb.append("Credentials: ").append(getCredentials()).append(",");
        if (getServerRootCaCertificate() != null)
            sb.append("ServerRootCaCertificate: ").append(getServerRootCaCertificate()).append(",");
        if (getVpc() != null)
            sb.append("Vpc: ").append(getVpc());
        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-pipes/src/main/java/com/amazonaws/services/pipes/model/UpdatePipeSourceSelfManagedKafkaParameters.java