public AliasRoutingConfiguration withAdditionalVersionWeights(java.util.Map<String, Double> additionalVersionWeights) {
        setAdditionalVersionWeights(additionalVersionWeights);
        return this;
    }
<p>
The second version, and the percentage of traffic that's routed to it.
</p>

@param additionalVersionWeights
       The second version, and the percentage of traffic that's routed to it.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lambda/src/main/java/com/amazonaws/services/lambda/model/AliasRoutingConfiguration.java