T extends GestureRecognizer> class
Factory for creating gesture recognizers that delegates to callbacks.
Used by RawGestureDetector.gestures.
) → T
Must return an instance of T.
T instance) → void
Must configure the given instance (which will have been created by
Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
) → String
A string representation of this object. [...]