Here is the list of missing javadoc comments:

class javafx.animation.Transition
method javafx.animation.Transition.getCachedInterpolator()

class javafx.animation.KeyFrame
method javafx.animation.KeyFrame.getTime()
method javafx.animation.KeyFrame.getValues()
method javafx.animation.KeyFrame.getOnFinished()
method javafx.animation.KeyFrame.getName()

class javafx.animation.Timeline
method javafx.animation.Timeline.getKeyFrames()