urlTemplate property
Defines the structure to create the URLs for the tiles. {s} means one of
the available subdomains (can be omitted) {z} zoom level {x} and {y}
— tile coordinates {r} can be used to add "@2x" to the URL to
load retina tiles (can be omitted)
Example:
https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png
Is translated to this:
Implementation
final String? urlTemplate;