public String getPreferredBackupWindow() {
        return this.preferredBackupWindow;
    }
<p>
Specifies the daily time range during which automated backups are created if automated backups are enabled, as
determined by the <code>BackupRetentionPeriod</code>.
</p>

@return Specifies the daily time range during which automated backups are created if automated backups are
        enabled, as determined by the <code>BackupRetentionPeriod</code>.
aws-java-sdk-docdb/src/main/java/com/amazonaws/services/docdb/model/DBCluster.java