public ModifyDBInstanceRequest withPreferredBackupWindow(String preferredBackupWindow) {
        setPreferredBackupWindow(preferredBackupWindow);
        return this;
    }
<p>
The daily time range during which automated backups are created if automated backups are enabled.
</p>
<p>
Not applicable. The daily time range for creating automated backups is managed by the DB cluster. For more
information, see <a>ModifyDBCluster</a>.
</p>
<p>
Constraints:
</p>
<ul>
<li>
<p>
Must be in the format hh24:mi-hh24:mi
</p>
</li>
<li>
<p>
Must be in Universal Time Coordinated (UTC)
</p>
</li>
<li>
<p>
Must not conflict with the preferred maintenance window
</p>
</li>
<li>
<p>
Must be at least 30 minutes
</p>
</li>
</ul>

@param preferredBackupWindow
       The daily time range during which automated backups are created if automated backups are enabled.</p>
       <p>
       Not applicable. The daily time range for creating automated backups is managed by the DB cluster. For more
       information, see <a>ModifyDBCluster</a>.
       </p>
       <p>
       Constraints:
       </p>
       <ul>
       <li>
       <p>
       Must be in the format hh24:mi-hh24:mi
       </p>
       </li>
       <li>
       <p>
       Must be in Universal Time Coordinated (UTC)
       </p>
       </li>
       <li>
       <p>
       Must not conflict with the preferred maintenance window
       </p>
       </li>
       <li>
       <p>
       Must be at least 30 minutes
       </p>
       </li>
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/ModifyDBInstanceRequest.java