/**
 * State hydration for client-side rendering.
 *
 * Restores server-rendered state in the browser and reactivates effects.
 */
import type { Store, StoreConfig } from '../types.js';
/**
 * Hydrates a store from serialized state JSON.
 *
 * This function:
 * 1. Parses the JSON state from the server
 * 2. Creates a store with that state as initialState
 * 3. Injects client-side dependencies (API, storage, etc.)
 * 4. Effects execute normally on client (not deferred)
 *
 * @template State - The state type
 * @template Action - The action type
 * @template Dependencies - The dependencies type
 *
 * @param data - JSON string containing serialized state
 * @param config - Store configuration (reducer, dependencies)
 * @returns Hydrated store ready for client interactions
 *
 * @throws {TypeError} If data is invalid JSON
 *
 * @example
 * ```typescript
 * // Client entry (client.ts)
 * import { hydrateStore } from '@composable-svelte/core/ssr';
 * import { mount } from 'svelte';
 *
 * // Read state from script tag
 * const el = document.getElementById('__COMPOSABLE_SVELTE_STATE__');
 * const stateJSON = el?.textContent;
 *
 * if (!stateJSON) {
 *   throw new Error('No hydration data found');
 * }
 *
 * // Hydrate with client dependencies
 * const store = hydrateStore(stateJSON, {
 *   initialState: {},  // Overridden by hydration
 *   reducer: appReducer,
 *   dependencies: {
 *     api: createAPIClient(),
 *     storage: createLocalStorage(),
 *     webSocket: createWebSocket()
 *   }
 * });
 *
 * // Mount app
 * mount(App, { target: document.body, props: { store } });
 * ```
 */
export declare function hydrateStore<State, Action, Dependencies = any>(data: string, config: Omit<StoreConfig<State, Action, Dependencies>, 'initialState'> & {
    initialState?: State;
}): Store<State, Action>;
/**
 * Parses serialized state JSON (alternative API).
 *
 * Use this if you want to parse state separately from creating a store.
 *
 * @template State - The state type
 *
 * @param data - JSON string containing serialized state
 * @returns Parsed state object
 *
 * @example
 * ```typescript
 * const stateJSON = document.getElementById('__STATE__')?.textContent;
 * const state = parseState<AppState>(stateJSON);
 *
 * // Later, create store with this state
 * const store = createStore({
 *   initialState: state,
 *   reducer,
 *   dependencies
 * });
 * ```
 */
export declare function parseState<State>(data: string): State;
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