public String getRoleArn() {
        return this.roleArn;
    }
<p>
The Amazon Resource Name (ARN) of the Identity and Access Management (IAM) role to be used by the Glue crawler.
The recommended IAM policies are:
</p>
<ul>
<li>
<p>
The managed policy <code>AWSGlueServiceRole</code>
</p>
</li>
<li>
<p>
A custom policy granting access to your Amazon S3 Data Lake
</p>
</li>
</ul>

@return The Amazon Resource Name (ARN) of the Identity and Access Management (IAM) role to be used by the Glue
        crawler. The recommended IAM policies are:</p>
        <ul>
        <li>
        <p>
        The managed policy <code>AWSGlueServiceRole</code>
        </p>
        </li>
        <li>
        <p>
        A custom policy granting access to your Amazon S3 Data Lake
        </p>
        </li>
aws-java-sdk-securitylake/src/main/java/com/amazonaws/services/securitylake/model/CustomLogSourceCrawlerConfiguration.java