import { default as React, ReactNode } from 'react';
import { RealtimeContextValue } from '../contexts/RealtimeContext';
import { CacheUpdateStrategy } from './stream-to-query-cache';
/**
 * Realtime connection type
 */
export type RealtimeConnectionType = 'websocket' | 'sse';
/**
 * Realtime provider configuration
 */
export interface RealtimeProviderConfig {
    type: RealtimeConnectionType;
    url?: string;
    autoConnect?: boolean;
    cacheStrategies?: CacheUpdateStrategy[];
}
/**
 * Realtime provider props
 */
export interface RealtimeProviderProps {
    children: ReactNode;
    config?: RealtimeProviderConfig;
}
/**
 * Realtime provider component
 *
 * Manages WebSocket or SSE connections for real-time data streaming.
 * Respects the 'real-time-updates' feature flag - when disabled, no connections are established.
 *
 * @example
 * ```tsx
 * <RealtimeProvider config={{ type: 'websocket', url: '/ws' }}>
 *   <App />
 * </RealtimeProvider>
 * ```
 */
export declare function RealtimeProvider({ children, config, }: RealtimeProviderProps): React.ReactElement;
/**
 * Hook to access realtime context
 *
 * @example
 * ```tsx
 * function MyComponent() {
 *   const { isConnected, subscribe, send } = useRealtimeContext();
 *   // ...
 * }
 * ```
 */
export declare function useRealtimeContext(): RealtimeContextValue;