public void setRoleArn(String roleArn) {
        this.roleArn = roleArn;
    }
<p>
The ARN of an IAM role that grants CloudWatch Logs permissions to deliver ingested log events to the destination
stream. You don't need to provide the ARN when you are working with a logical destination for cross-account
delivery.
</p>

@param roleArn
       The ARN of an IAM role that grants CloudWatch Logs permissions to deliver ingested log events to the
       destination stream. You don't need to provide the ARN when you are working with a logical destination for
       cross-account delivery.
aws-java-sdk-logs/src/main/java/com/amazonaws/services/logs/model/PutSubscriptionFilterRequest.java