UriRouterContext
Provides routing information associated with a request. When IG routes a request, it injects information about the routing into this context.
Properties
The context is named router, and is accessible at ${contexts.router}.
The context has the following properties:
"baseUri": string- 
The portion of the request URI which has been routed so far.
 "matchedUri": string- 
The portion of the request URI that matched the URI template.
 "originalUri": url- 
The original target URI for the request, as received by the web container.
The value of this field is read-only.
 "remainingUri": string- 
The portion of the request URI that is remaining to be matched.
 "uriTemplateVariables": map- 
An unmodifiable map, where the keys and values are strings. The map contains the parsed URI template variables keyed on the URI template variable name.