import type { Atom } from '../utils/types.js';
type Diff<T> = {
    previous: T | undefined;
    current: T;
};
type NonInitialDiff<T> = {
    previous: T;
    current: T;
};
type Options = {
    skipInitial?: boolean;
};
type DiffForOptions<T, O extends Options | undefined> = O extends {
    skipInitial: true;
} ? NonInitialDiff<T> : Diff<T>;
declare const difference: <T, O extends Options | undefined = undefined>(atom: Atom<T>, options?: O) => Omit<Atom<T>, "observe"> & {
    observe: Atom<DiffForOptions<T, O>>["observe"];
};
export default difference;