import type { EffectsPluginConfig, EffectState } from '../../types';
declare type EffectStateReturn<C extends EffectsPluginConfig, K extends keyof C['effects'], S> = readonly [EffectState<C['effects'][K]> | S, boolean];
/**
 * Subscribe to the latest value of a particular effect.
 * This hook is sugar around `useEffectListener` and `useState`.
 * @param effectType - Name of the effect to subscribe to.
 * @param initialState - Value to use for state before effect first fires.
 * @return - Tuple of `[effectState: any, isActive: boolean]`.
 * `effectState` will be `undefined` on initial render if `initialState` is not set.
 * `isActive` is true for the length of the effect’s duration.
 */
export declare function useEffectState<C extends EffectsPluginConfig, K extends keyof C['effects'], S>(effectType: K, initialState?: S, _config?: C): EffectStateReturn<C, K, S>;
export {};