public int getExpirationInDays() {
        return expirationInDays;
    }
Returns the lifetime of the active copy in days. Do not use with restores that specify
<code>OutputLocation</code>.
<p>
The Days element is required for regular restores, and must not be provided for select requests.
aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/model/RestoreObjectRequest.java