public String getStateTransitionReason() {
        return this.stateTransitionReason;
    }
<p>
The reason that Windows fast launch for the AMI changed to the current state.
</p>

@return The reason 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