Signature for when a pointer that was previously in contact with the screen and moving is no longer in contact with the screen.
The velocity at which the pointer was moving when it stopped contacting
the screen is available in the
The consecutive tap count at the time the pointer contacted the screen is given by TapDragEndDetails.consecutiveTapCount.
typedef GestureTapDragEndCallback = void Function(TapDragEndDetails endDetails);