[//Verify(PlatformInvoke)]
 static extern bool FBBoundingBoxIntersectsBoundingBox(FBBoundingBox box1, FBBoundingBox box2);
 static extern MKMapRect FBMapRectForBoundingBox(FBBoundingBox boundingBox);
 static extern bool FBBoundingBoxContainsCoordinate(FBBoundingBox box, CLLocationCoordinate2D coordinate);