public void setForecastDimensions(java.util.Collection<String> forecastDimensions) {
        if (forecastDimensions == null) {
            this.forecastDimensions = null;
            return;
        }

        this.forecastDimensions = new java.util.ArrayList<String>(forecastDimensions);
    }
<p>
An array of dimension (field) names that specify the attributes used to group your time series.
</p>

@param forecastDimensions
       An array of dimension (field) names that specify the attributes used to group your time series.
aws-java-sdk-forecast/src/main/java/com/amazonaws/services/forecast/model/DescribeAutoPredictorResult.java