public void setExpirationDate(java.util.Date expirationDate) {
        this.expirationDate = expirationDate;
    }
<p>
The expiration date of the current return shipping label.
</p>

@param expirationDate
       The expiration date of the current return shipping label.
aws-java-sdk-snowball/src/main/java/com/amazonaws/services/snowball/model/DescribeReturnShippingLabelResult.java