public StartInstanceRefreshRequest withStrategy(RefreshStrategy strategy) {
        this.strategy = strategy.toString();
        return this;
    }
<p>
The strategy to use for the instance refresh. The only valid value is <code>Rolling</code>.
</p>

@param strategy
       The strategy to use for the instance refresh. The only valid value is <code>Rolling</code>.
@return Returns a reference to this object so that method calls can be chained together.
@see RefreshStrategy
aws-java-sdk-autoscaling/src/main/java/com/amazonaws/services/autoscaling/model/StartInstanceRefreshRequest.java