public void setValidationWindowHours(Integer validationWindowHours) {
        this.validationWindowHours = 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>

@param validationWindowHours
       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/RestoreTestingSelectionForUpdate.java