public FeatureSummary withDefaultVariation(String defaultVariation) {
        setDefaultVariation(defaultVariation);
        return this;
    }
<p>
The name of the variation that is used as the default variation. The default variation is served to users who are
not allocated to any ongoing launches or experiments of this feature.
</p>

@param defaultVariation
       The name of the variation that is used as the default variation. The default variation is served to users
       who are not allocated to any ongoing launches or experiments of this feature.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-cloudwatchevidently/src/main/java/com/amazonaws/services/cloudwatchevidently/model/FeatureSummary.java