import { Stateful } from 'dreamland/core';

interface SpringOptions {
    stiffness?: number;
    damping?: number;
    precision?: number;
}
interface SpringState<T> {
    stiffness: number;
    damping: number;
    precision: number;
    target: T;
    current: T;
}
type Spring<T> = Stateful<SpringState<T>>;
declare let createSpring: <T>(val: T, opts?: SpringOptions) => Spring<T>;

export { createSpring };
export type { Spring, SpringOptions, SpringState };