public AwsRdsDbClusterDetails withPreferredMaintenanceWindow(String preferredMaintenanceWindow) {
        setPreferredMaintenanceWindow(preferredMaintenanceWindow);
        return this;
    }
<p>
The weekly time range during which system maintenance can occur, in Universal Coordinated Time (UTC).
</p>
<p>
Uses the format <code>&lt;day&gt;:HH:MM-&lt;day&gt;:HH:MM</code>.
</p>
<p>
For the day values, use <code>mon</code>|<code>tue</code>|<code>wed</code>|<code>thu</code>|<code>fri</code>|
<code>sat</code>|<code>sun</code>.
</p>
<p>
For example, <code>sun:09:32-sun:10:02</code>.
</p>

@param preferredMaintenanceWindow
       The weekly time range during which system maintenance can occur, in Universal Coordinated Time (UTC).</p>
       <p>
       Uses the format <code>&lt;day&gt;:HH:MM-&lt;day&gt;:HH:MM</code>.
       </p>
       <p>
       For the day values, use <code>mon</code>|<code>tue</code>|<code>wed</code>|<code>thu</code>|
       <code>fri</code>|<code>sat</code>|<code>sun</code>.
       </p>
       <p>
       For example, <code>sun:09:32-sun:10:02</code>.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsRdsDbClusterDetails.java