class
 AnimationOptions
            delay:Null<Float>        
                            direction:AnimationDirection        
                            duration:Null<Float>        
                            easingFunction:        
                            fillMode:AnimationFillMode        
                            iterationCount:Null<Int>        
                            compareTo(op:AnimationOptions):Bool        
                            compareToAnimation(anim:Animation):Bool        
                    