removeHeatmaps method
Removes a set of HeatmapIds from the cache.
Implementation
void removeHeatmaps(Set<HeatmapId> heatmapIdsToRemove) {
for (final heatmapId in heatmapIdsToRemove) {
final HeatmapController? heatmapController =
_heatmapIdToController[heatmapId];
heatmapController?.remove();
_heatmapIdToController.remove(heatmapId);
}
}