declare class Ease {
    none: () => (x: number) => number;
    linear: () => (x: number) => number;
    powerIn: (power?: number) => (x: number) => number;
    powerOut: (power?: number) => (x: number) => number;
    powerInOut: (power?: number) => (x: number) => number;
    steps(numSteps?: number): (x: number) => number;
    bounceIn: () => (x: number) => number;
    bounceOut: () => (x: number) => number;
    bounceInOut: () => (x: number) => number;
    elasticIn: (frequency?: number) => (x: number) => number;
    elasticOut: (frequency?: number) => (x: number) => number;
    elasticInOut: (frequency?: number) => (x: number) => number;
    backIn: (magnitude?: number) => (x: number) => number;
    backOut: (magnitude?: number) => (x: number) => number;
    backInOut: (magnitude?: number) => (x: number) => number;
    cubicBezier(p1x: number, p1y: number, p2x: number, p2y: number): (x: number) => number;
    parse(ease: Function | string | undefined): Function | undefined;
}
declare const easing: Ease;

export { easing };