A lifecycle interface to notify when a component is deactivated by a route.
Component classes should
implement this if they will be navigated to as
part of a route definition and would like to be notified if they are being
deactivated due to routing.
RouterState previous, RouterState current) → void
- Called before component deactivation when routing. [...]
Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
) → String
Returns a string representation of this object.