public void setRoleArn(String roleArn) {
        this.roleArn = roleArn;
    }
<p>
The ARN of the IAM role that Amazon Forecast can assume to access the KMS key.
</p>
<p>
Passing a role across Amazon Web Services accounts is not allowed. If you pass a role that isn't in your account,
you get an <code>InvalidInputException</code> error.
</p>

@param roleArn
       The ARN of the IAM role that Amazon Forecast can assume to access the KMS key.</p>
       <p>
       Passing a role across Amazon Web Services accounts is not allowed. If you pass a role that isn't in your
       account, you get an <code>InvalidInputException</code> error.
aws-java-sdk-forecast/src/main/java/com/amazonaws/services/forecast/model/EncryptionConfig.java