Removes the entire current navigation stack and navigates back to the last route of the
previous stack. Throws an error if there's only one navigation stack.
Removes every navigation entry in the current stack until the route identified by
routeIdentifier is found. A route is identified by a string if its url equals to the string
(RemoteView) or if the screen id equals to the string (LocalView).
Goes back one entry in the navigation history. If the current stack has only one view, this
also pops the current stack. If only one stack and one view exist, it will throw an error.