public void setRoleArn(String roleArn) {
        this.roleArn = roleArn;
    }
An Amazon Resource Name (ARN) of an IAM role that AWS Elemental MediaPackage will assume when accessing the key
provider service.

@param roleArn
       An Amazon Resource Name (ARN) of an IAM role that AWS Elemental MediaPackage will assume when accessing
       the key provider service.
aws-java-sdk-mediapackage/src/main/java/com/amazonaws/services/mediapackage/model/SpekeKeyProvider.java