The view model for the Geocoder widget.
alias GeocoderViewModel
{Object} options Object with the following properties:
{Scene} options.scene The Scene instance to use.
{String} [options.url='https://dev.virtualearth.net'] The base URL of the Bing Maps API.
{String} [options.key] The Bing Maps key for your application, which can be
created at https://www.bingmapsportal.com
If this parameter is not provided, BingMapsApi.defaultKey is used.
If BingMapsApi.defaultKey is undefined as well, a message is
written to the console reminding you that you must create and supply a Bing Maps
key as soon as possible. Please do not deploy an application that uses
this widget without creating a separate key for your application.
{Number} [options.flightDuration] The duration of the camera flight to an entered location, in seconds.
The view model for the Geocoder widget. alias GeocoderViewModel