public AliasRoutingConfiguration clearAdditionalVersionWeightsEntries() {
        this.additionalVersionWeights = null;
        return this;
    }
Removes all the entries added into AdditionalVersionWeights.

@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