public WhatIfForecastExportSummary withWhatIfForecastArns(java.util.Collection<String> whatIfForecastArns) {
        setWhatIfForecastArns(whatIfForecastArns);
        return this;
    }
<p>
An array of Amazon Resource Names (ARNs) that define the what-if forecasts included in the export.
</p>

@param whatIfForecastArns
       An array of Amazon Resource Names (ARNs) that define the what-if forecasts included in the export.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-forecast/src/main/java/com/amazonaws/services/forecast/model/WhatIfForecastExportSummary.java