public Boolean isApplyImmediately() {
        return this.applyImmediately;
    }
<p>
When <code>true</code>, applies changes immediately. When <code>false</code>, applies changes during the
preferred maintenance window. Some changes may cause an outage.
</p>
<p>
Default: <code>false</code>
</p>

@return When <code>true</code>, applies changes immediately. When <code>false</code>, applies changes during the
        preferred maintenance window. Some changes may cause an outage.</p>
        <p>
        Default: <code>false</code>
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/UpdateRelationalDatabaseRequest.java