public TreeMapSortConfiguration withTreeMapSort(java.util.Collection<FieldSortOptions> treeMapSort) {
        setTreeMapSort(treeMapSort);
        return this;
    }
<p>
The sort configuration of group by fields.
</p>

@param treeMapSort
       The sort configuration of group by fields.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/TreeMapSortConfiguration.java