public String getTargetArn() {
        return this.targetArn;
    }
<p>
The ARN of an SQS queue or SNS topic.
</p>

@return The ARN of an SQS queue or SNS topic.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsLambdaFunctionDeadLetterConfig.java