EASING
EASING: {
default(t: number, b: number, c: number, d: number): number;
easeInBack(t: number, b: number, c: number, d: number): number;
easeInBounce(t: number, b: number, c: number, d: number): number;
easeInCirc(t: number, b: number, c: number, d: number): number;
easeInCubic(t: number, b: number, c: number, d: number): number;
easeInElastic(t: number, b: number, c: number, d: number): number;
easeInExpo(t: number, b: number, c: number, d: number): number;
easeInOutBack(t: number, b: number, c: number, d: number): number;
easeInOutBounce(t: number, b: number, c: number, d: number): number;
easeInOutCirc(t: number, b: number, c: number, d: number): number;
easeInOutCubic(t: number, b: number, c: number, d: number): number;
easeInOutElastic(t: number, b: number, c: number, d: number): number;
easeInOutExpo(t: number, b: number, c: number, d: number): number;
easeInOutQuad(t: number, b: number, c: number, d: number): number;
easeInOutQuart(t: number, b: number, c: number, d: number): number;
easeInOutQuint(t: number, b: number, c: number, d: number): number;
easeInOutSine(t: number, b: number, c: number, d: number): number;
easeInQuad(t: number, b: number, c: number, d: number): number;
easeInQuart(t: number, b: number, c: number, d: number): number;
easeInQuint(t: number, b: number, c: number, d: number): number;
easeInSine(t: number, b: number, c: number, d: number): number;
easeOutBack(t: number, b: number, c: number, d: number): number;
easeOutBounce(t: number, b: number, c: number, d: number): number;
easeOutCirc(t: number, b: number, c: number, d: number): number;
easeOutCubic(t: number, b: number, c: number, d: number): number;
easeOutElastic(t: number, b: number, c: number, d: number): number;
easeOutExpo(t: number, b: number, c: number, d: number): number;
easeOutInBack(t: number, b: number, c: number, d: number): number;
easeOutInBounce(t: number, b: number, c: number, d: number): number;
easeOutInCirc(t: number, b: number, c: number, d: number): number;
easeOutInCubic(t: number, b: number, c: number, d: number): number;
easeOutInElastic(t: number, b: number, c: number, d: number): number;
easeOutInExpo(t: number, b: number, c: number, d: number): number;
easeOutInQuart(t: number, b: number, c: number, d: number): number;
easeOutInQuint(t: number, b: number, c: number, d: number): number;
easeOutInSine(t: number, b: number, c: number, d: number): number;
easeOutQuad(t: number, b: number, c: number, d: number): number;
easeOutQuart(t: number, b: number, c: number, d: number): number;
easeOutQuint(t: number, b: number, c: number, d: number): number;
easeOutSine(t: number, b: number, c: number, d: number): number;
liner(t: number, b: number, c: number, d: number): number;
swing(t: number, b: number, c: number, d: number): number;
}