How to write text on Flutter Google maps, or more specifically, inside or around polygons?

Question

I have created multiple polygons on Google Maps in a Flutter app. Now I want to write some codes inside or even outside the polygons, for example, poly-101, poly-102, and so on. How can I do that? I see that the Polygon class does not have any label property. There are some options to add text for markers (How to display text text on google map marker in flutter), but I want to write text for the shapes and not for markers.