public DimensionKeyDescription withAdditionalMetrics(java.util.Map<String, Double> additionalMetrics) {
        setAdditionalMetrics(additionalMetrics);
        return this;
    }
<p>
A map that contains the value for each additional metric.
</p>

@param additionalMetrics
       A map that contains the value for each additional metric.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-pi/src/main/java/com/amazonaws/services/pi/model/DimensionKeyDescription.java