/**
 * @file Realtime Context
 * @description Context for real-time connections (Fast Refresh compliant).
 */
/**
 * WebSocket/SSE connection state
 */
export type ConnectionState = 'disconnected' | 'connecting' | 'connected' | 'reconnecting' | 'error';
/**
 * Realtime context value
 */
export interface RealtimeContextValue {
    connectionState: ConnectionState;
    isConnected: boolean;
    connect: () => void;
    disconnect: () => void;
    subscribe: (channel: string, handler: (data: unknown) => void) => () => void;
    send: (channel: string, data: unknown) => void;
    /** Whether real-time updates are enabled via feature flag */
    realtimeEnabled: boolean;
}
/**
 * Default context value
 */
export declare const defaultRealtimeContext: RealtimeContextValue;
/**
 * Realtime context - extracted for Fast Refresh compliance
 */
export declare const RealtimeContext: import('react').Context<RealtimeContextValue>;