public Integer getValidationWindowHours() {
        return this.validationWindowHours;
    }
<p>
This value represents the time, in hours, data is retained after a restore test so that optional validation can
be completed.
</p>
<p>
Accepted value is an integer between 0 and 168 (the hourly equivalent of seven days).
</p>

@return This value represents the time, in hours, data is retained after a restore test so that optional
        validation can be completed.</p>
        <p>
        Accepted value is an integer between 0 and 168 (the hourly equivalent of seven days).
aws-java-sdk-backup/src/main/java/com/amazonaws/services/backup/model/RestoreTestingSelectionForList.java