public VehicleSummary withCreationTime(java.util.Date creationTime) {
        setCreationTime(creationTime);
        return this;
    }
<p>
The time the vehicle was created in seconds since epoch (January 1, 1970 at midnight UTC time).
</p>

@param creationTime
       The time the vehicle was created in seconds since epoch (January 1, 1970 at midnight UTC time).
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iotfleetwise/src/main/java/com/amazonaws/services/iotfleetwise/model/VehicleSummary.java