public String getRoleArn() {
        return this.roleArn;
    }
<p>
An IAM role that gives Amazon Kendra permissions to access thesaurus file specified in <code>SourceS3Path</code>.
</p>

@return An IAM role that gives Amazon Kendra permissions to access thesaurus file specified in
        <code>SourceS3Path</code>.
aws-java-sdk-kendra/src/main/java/com/amazonaws/services/kendra/model/UpdateThesaurusRequest.java