export function getCubicBezierTransition(x1?: number, y1?: number, x2?: number, y2?: number): Function;
export function setBezierFunction(name: string, x1: number, y1: number, x2: number, y2: number): shifty.easingFunction;
export function unsetBezierFunction(name: string): boolean;
export namespace shifty {
    type easingFunction = import(".").shifty.easingFunction;
}
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