public String getExecutionRoleArn() {
        return this.executionRoleArn;
    }
<p>
The Amazon Resource Name (ARN) of the execution role that Batch can assume. For jobs that run on Fargate
resources, you must provide an execution role. For more information, see <a
href="https://docs.aws.amazon.com/batch/latest/userguide/execution-IAM-role.html">Batch execution IAM role</a> in
the <i>Batch User Guide</i>.
</p>

@return The Amazon Resource Name (ARN) of the execution role that Batch can assume. For jobs that run on Fargate
        resources, you must provide an execution role. For more information, see <a
        href="https://docs.aws.amazon.com/batch/latest/userguide/execution-IAM-role.html">Batch execution IAM
        role</a> in the <i>Batch User Guide</i>.
aws-java-sdk-batch/src/main/java/com/amazonaws/services/batch/model/EcsTaskProperties.java