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

@param stateTransitionReason
       The reason that the state changed for Windows fast launch for the AMI.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/EnableFastLaunchResult.java