open:navigator-2.0 [EL]

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# Navigator 2.0

- Page: An abstract class that describes the configuration of a route
- Router: A class that manages opening and closing pages of an application
- RouterInformationParser: An abstract class used by the `Router`'s widget to parse route information into a configuration
- RouteInformationProvider: An abstract class that provides route information for the `Router`'s widget
- RouterDelegate: An abstract class used by  the `Router`'s widget to build and configure a navigating widget
- BackButtonDispatcher: Reports to a Router when the user taps the back button on platforms that support back button (such as Android)
- TransitionDelegate: The delegate that decides how pages transition in or out of the screen when it's added or removed.


<code>
════════ Exception caught by widget library ════════════════════════════════════
The Navigator.pages must not be empty to use the Navigator.pages API
════════════════════════════════════════════════════════════════════════════════
</code>

## Ref

- https://www.raywenderlich.com/19457817-flutter-navigator-2-0-and-deep-links