MinZoom
Recommended minimum tile zoom level in which this feature should be displayed.
It is recommended that the feature be hidden at zoom levels below this value.
Zoom levels follow the Slippy Maps convention, documented in the following references:
- https://wiki.openstreetmap.org/wiki/Slippy_map_tilenames
- https://www.maptiler.com/google-maps-coordinates-tile-bounds-projection
Underlying type: int32