configure-tile-overlay.swift

private func configureTileOverlay() {
        // We first need to have the path of the overlay configuration JSON
        guard let overlayFileURLString = Bundle.main.path(forResource: "overlay", ofType: "json") else {
                return
        }
        let overlayFileURL = URL(fileURLWithPath: overlayFileURLString)
        
        // After that, you can create the tile overlay using MapKitGoogleStyler
        guard let tileOverlay = try? MapKitGoogleStyler.buildOverlay(with: overlayFileURL) else {
            return
        }
        
        // And finally add it to your MKMapView
        mapView.add(tileOverlay)
}