export interface AnimationConfig { delay?: number; duration?: number; easing?: (t: number) => number; css?: (t: number, u: number) => string; tick?: (t: number, u: number) => void; } export interface FlipParams { delay?: number; duration?: number | ((len: number) => number); easing?: (t: number) => number; } export declare function flip(node: Element, { from, to }: { from: DOMRect; to: DOMRect; }, params?: FlipParams): AnimationConfig;