Gets the opacity of the service.
Refreshes the map service by making a new request to the server.
An optional parameter which if specified, will cause the map refresh to occur after the specified timeout. Any previous refresh timeouts will be cancelled when a new refresh timeout is set - ensuring that only one request goes out within the speicfied threshold. If undefined, the map refreshes immediately.
An optional parameter which, if set will disable client caching on the service layer (if supported) prior to refreshing it. Defaults to false.
Sets the opacity of this service.
Returns whether or not this service supports layer visibility.
Gets whether the serviceLayer represented by this ServiceLayerInfo object is currently visible.