get Min Cluster Size
Gets the minimum cluster size used to render clusters. For example, if "4" is returned, then for any clusters of size 3 or less the items will be rendered as individual markers instead of as a single cluster marker.
Return
the minimum cluster size used to render clusters. For example, if "4" is returned, then for any clusters of size 3 or less the items will be rendered as individual markers instead of as a single cluster marker.