public java.util.Date getExpiryTime() {
        return this.expiryTime;
    }
<p>
(Optional) The time the campaign expires, in seconds since epoch (January 1, 1970 at midnight UTC time). Vehicle
data isn't collected after the campaign expires.
</p>
<p>
Default: 253402214400 (December 31, 9999, 00:00:00 UTC)
</p>

@return (Optional) The time the campaign expires, in seconds since epoch (January 1, 1970 at midnight UTC time).
        Vehicle data isn't collected after the campaign expires. </p>
        <p>
        Default: 253402214400 (December 31, 9999, 00:00:00 UTC)
aws-java-sdk-iotfleetwise/src/main/java/com/amazonaws/services/iotfleetwise/model/CreateCampaignRequest.java