public void setAllowVersionUpgrade(Boolean allowVersionUpgrade) {
        this.allowVersionUpgrade = allowVersionUpgrade;
    }
<p>
A boolean value that, if <code>true</code>, indicates that major version upgrades will be applied automatically
to the cluster during the maintenance window.
</p>

@param allowVersionUpgrade
       A boolean value that, if <code>true</code>, indicates that major version upgrades will be applied
       automatically to the cluster during the maintenance window.
aws-java-sdk-redshift/src/main/java/com/amazonaws/services/redshift/model/Cluster.java