toAnimation
open fun Keyframes.toAnimation(duration: CSSTimeNumericValue? = null, timingFunction: AnimationTimingFunction? = null, delay: CSSTimeNumericValue? = null, iterationCount: AnimationIterationCount? = null, direction: AnimationDirection? = null, fillMode: AnimationFillMode? = null, playState: AnimationPlayState? = null): Animation.Repeatable(source)