type DoublePropertyName = | "playback/time" | "playback/duration" | "playback/timeOffset" | "audio/totalDuration" | "playback/trimLength" | "playback/trimOffset" | "fill/video/totalDuration" | "animation/scale_loop/startDelay" | "animation/scale_loop/holdDuration" | "animation/scale_loop/easingDuration" | string & object;