Allows access to the platform's accessibility services.
Events sent by this service are handled by the platform-specific
accessibility bridge in Flutter's engine.
When possible, prefer using mechanisms like Semantics to implicitly
trigger announcements over using this event.
The hash code for this object. [...]
A representation of the runtime type of the object.
Invoked when a non-existent method or property is accessed. [...]
Returns a string representation of this object.