public void setStateTransitionTime(java.util.Date stateTransitionTime) {
        this.stateTransitionTime = stateTransitionTime;
    }
<p>
The time that Windows fast launch for the AMI changed to the current state.
</p>

@param stateTransitionTime
       The time that Windows fast launch for the AMI changed to the current state.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/DescribeFastLaunchImagesSuccessItem.java