type AnimationNode = { lastTimestamp: number; toValue: number; current: number; velocity: number; prevPosition?: number; }; export type SpringConfig = { damping: number; mass: number; stiffness: number; overshootClamping: boolean; }; export declare function springCalculation({ frame, fps, config, }: { frame: number; fps: number; config?: Partial; }): AnimationNode; export {};