public void setFieldWells(HeatMapFieldWells fieldWells) {
        this.fieldWells = fieldWells;
    }
<p>
The field wells of the visual.
</p>

@param fieldWells
       The field wells of the visual.
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/HeatMapConfiguration.java