Copyright information for this layer
The full extent to use for this layer
A unique identifying string for the layer.
Not in official spec, but present in some newer web maps.
An array of Layer objects, allowing overrides on pop-up content and drawing behavior for the individual layers of a map service. Used with map services.
The degree of transparency applied to the layer on the client side, where 0 is full transparency and 1 is no transparency.
Vector Tiled layers have a style url, not a url
Web tiled layers can have a list of subdomains used to make requests
A user-friendly title for the layer that can be used in a table of contents. If this is not included, then a title is derived from the service.
The URL to the layer. For well-known basemap types such as Bing Aerial, the URL should be empty.
Determines whether the layer is initially visible in the web map.
Base class for web map operational layers and basemap layers.
Part of the Esri web map specification. See http://resources.arcgis.com/en/help/arcgis-web-map-json/.