import { type ReactNode } from 'react';
import GlobalState from './GlobalState';
import type SsrContext from './SsrContext';
import type { ValueOrInitializerT } from './utils';
/**
 * Returns the GlobalState object from the context. In most cases you should use
 * other hooks, like useGlobalState(), etc. to interact with the global state,
 * instead of accessing the GlobalState object directly.
 */
export declare function useGlobalStateObject<StateT, SsrContextT extends SsrContext<StateT> = SsrContext<StateT>>(): GlobalState<StateT, SsrContextT>;
/**
 * Returns SSR context.
 * @param throwWithoutSsrContext - If _true_ (default), this hook will throw
 *  if no SSR context is attached to the global state; set _false_ to not throw
 *  in such case. In either case this hook will throw if the <GlobalStateProvider>
 *  (hence the global state) is missing.
 * @returns SSR context.
 * @throws
 *  - If current component has no parent <GlobalStateProvider> in the rendered
 *    React tree.
 *  - If `throwWithoutSsrContext` is _true_ (default), and there is no SSR
 *    context attached to the global state provided by <GlobalStateProvider>.
 */
export declare function useSsrContext<SsrContextT extends SsrContext<unknown>>(throwWithoutSsrContext?: boolean): SsrContextT | undefined;
type NewStateProps<StateT, SsrContextT extends SsrContext<StateT>> = {
    initialState: ValueOrInitializerT<StateT>;
    ssrContext?: SsrContextT;
};
type GlobalStateProviderProps<StateT, SsrContextT extends SsrContext<StateT>> = (NewStateProps<StateT, SsrContextT> | {
    stateProxy: GlobalState<StateT, SsrContextT> | true;
}) & {
    children?: ReactNode;
};
/**
 * Provides global state to its children.
 * @param prop.children Component children, which will be provided with
 * the global state, and rendered in place of the provider.
 * @param prop.initialState Initial content of the global state.
 * @param prop.ssrContext Server-side rendering (SSR) context.
 * @param prop.stateProxy This option is useful for code
 * splitting and SSR implementation:
 * - If `true`, this provider instance will fetch and reuse the global state
 *   from a parent provider.
 * - If `GlobalState` instance, it will be used by this provider.
 * - If not given, a new `GlobalState` instance will be created and used.
 */
declare const GlobalStateProvider: <StateT, SsrContextT extends SsrContext<StateT> = SsrContext<StateT>>({ children, ...rest }: GlobalStateProviderProps<StateT, SsrContextT>) => ReactNode;
export default GlobalStateProvider;