public void setTrendGroupSort(java.util.Collection<FieldSortOptions> trendGroupSort) {
        if (trendGroupSort == null) {
            this.trendGroupSort = null;
            return;
        }

        this.trendGroupSort = new java.util.ArrayList<FieldSortOptions>(trendGroupSort);
    }
<p>
The sort configuration of the trend group fields.
</p>

@param trendGroupSort
       The sort configuration of the trend group fields.
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/KPISortConfiguration.java