type Dispose = () => void;
export type ReactionOptions = Partial<{
    /**
     * @default
     */
    memoize: false;
} | {
    memoize: true;
}>;
/**
 * Reaction dispose callback, that executes when deps function is rotten
 */
type ReactionDispose = () => void;
/**
 * Creates a reactive effect that runs the given function whenever any of the dependencies change.
 *
 * `reaction` is enhanced version of this:
 * ```ts
 * effect(() => {
 *  const value = deps();
 *  untracked(() => fn(value));
 * });
 * ```
 *
 * @param deps A function that returns the dependencies for the effect.
 * @param fn A function that runs the effect. It receives the dependencies and an options object with a `isFirst` property that is `true` on the first run of the effect.
 * @param options A options object that contains `memoize` prop that tells should deps function result be memoized
 * @returns A function that can be called to dispose of the effect.
 */
export declare const reaction: <T>(deps: () => T, fn: (dep: T, options: {
    isFirst: boolean;
}) => void | ReactionDispose, options?: ReactionOptions) => Dispose;
/**
 * Creates a reactive effect that runs the given function whenever any of the dependencies change **in requestAnimationFrame**.
 *
 *
 * @param deps A function that returns the dependencies for the effect.
 * @param fn A function that runs after deps changes in next requestAnimationFrame. It receives the dependencies and an options object with a `isFirst` property that is `true` on the first run of the effect.
 * @param options A options object that contains `memoize` prop that tells should deps function result be memoized
 * @returns A function that can be called to dispose of the effect.
 */
export declare const rafReaction: <T>(deps: () => T, fn: (dep: T, options: {
    isFirst: boolean;
}) => void, options?: ReactionOptions) => Dispose;
export {};