public void setArn(String arn) {
        this.arn = arn;
    }
<p>
The Amazon Resource Name (ARN) specifying the server certificate. For more information about ARNs and how to use
them in policies, see <a href="https://docs.aws.amazon.com/IAM/latest/UserGuide/Using_Identifiers.html">IAM
identifiers</a> in the <i>IAM User Guide</i>.
</p>

@param arn
       The Amazon Resource Name (ARN) specifying the server certificate. For more information about ARNs and how
       to use them in policies, see <a
       href="https://docs.aws.amazon.com/IAM/latest/UserGuide/Using_Identifiers.html">IAM identifiers</a> in the
       <i>IAM User Guide</i>.
aws-java-sdk-iam/src/main/java/com/amazonaws/services/identitymanagement/model/ServerCertificateMetadata.java