Control.Varying.Tween
easeInQuad
easeOutQuad
easeInOutQuad
easeInCubic
easeOutCubic
easeInOutCubic
easeInPow
easeOutPow
easeInSine
easeOutSine
easeInOutSine
easeInExpo
easeOutExpo
easeInOutExpo
easeInCirc
easeOutCirc
easeInOutCirc
easeInOut
linear
constant
type Easing t
type Tween m t
tween
timeAsPercentageOf