public void setArn(String arn) {
        this.arn = arn;
    }
The ARN of the ACM certificate that you want to disassociate from your MediaConvert resource.

@param arn
       The ARN of the ACM certificate that you want to disassociate from your MediaConvert resource.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/DisassociateCertificateRequest.java