I have been using leaflet-groupedlayercontrol to make some of my map layers exclusive (i.e. only one can be shown at a time). For example, in the screenshot below it's only possible to select one option from "Landmarks" at a time:

I am trying to create a more fancy legend and so am trying out Leaflet.StyledLayerControl but cannot find a way to add this same functionality. Has anyone managed to do this? Thank you in advance for any help :)