/**
 * Swagger UI plugin for Server-Sent Events support
 *
 * This plugin will be implemented in Phase 4 to provide interactive
 * SSE streaming capabilities within the Swagger UI interface.
 */
declare global {
    interface Window {
        SSEComponents?: {
            EventFilterComponent: any;
            EventListComponent: any;
            ConnectionStatusComponent: any;
        };
        EventSourceManager?: any;
        ThemeManager?: any;
        _sseThemeManager?: any;
    }
    interface HTMLElement {
        _sseComponent?: any;
        _sseManager?: any;
        _unsubscribe?: () => void;
    }
}
/**
 * SSE connection interface
 */
export interface SseConnection {
    eventSource: EventSource | null;
    status: 'disconnected' | 'connecting' | 'connected' | 'error';
    events: SseEvent[];
}
/**
 * SSE event interface
 */
export interface SseEvent {
    type: string;
    timestamp: Date;
    data: any;
}
/**
 * SSE connection options
 */
export interface SseConnectionOptions {
    url: string;
    eventTypes: string[];
    headers?: Record<string, string>;
}
/**
 * Swagger UI SSE Plugin
 *
 * This plugin extends Swagger UI to handle SSE endpoints by:
 * - Detecting x-sse-endpoint extension in OpenAPI spec
 * - Providing connect/disconnect controls
 * - Displaying real-time event log
 * - Handling EventSource connections
 */
export declare const SwaggerSsePlugin: () => {
    name: string;
    init(system: any): void;
    statePlugins: {
        spec: {
            wrapActions: {
                execute: (ori: any, system: any) => (req: any) => any;
            };
        };
    };
};
/**
 * Create EventSource connection for SSE streaming
 *
 * @param url SSE endpoint URL
 * @param options Connection options
 * @returns SSE connection object
 */
export declare function createSseConnection(_url: string, _options: SseConnectionOptions): SseConnection;
/**
 * Create EventSource connection with event handling
 */
export declare function createEventSourceConnection(url: string, eventTypes: string[]): SseConnection;