Variables
Const BING_AERIAL
BING_AERIAL: "BingMapsAerial" = "BingMapsAerial"
Const BING_HYBRID
BING_HYBRID: "BingMapsHybrid" = "BingMapsHybrid"
Const BING_ROAD
BING_ROAD: "BingMapsRoad" = "BingMapsRoad"
Const OPEN_STREET_MAP
OPEN_STREET_MAP: "OpenStreetMap" = "OpenStreetMap"
Const VECTOR_TILED
VECTOR_TILED: "VectorTileLayer" = "VectorTileLayer"
Const WEB_TILED
WEB_TILED: "WebTiledLayer" = "WebTiledLayer"
Constants for well-known basemap types.