/**
 * Request context stored per session.
 * Contains HTTP headers and other request info needed for authentication.
 */
export interface RequestContext {
    headers: Record<string, string | string[] | undefined>;
    method?: string;
    url?: string;
    ip?: string;
}
/**
 * Configuration for session manager.
 */
export interface SessionManagerConfig {
    /** Callback when a session is created */
    onSessionCreated?: (sessionId: string) => void;
    /** Callback when a session is destroyed */
    onSessionDestroyed?: (sessionId: string) => void;
    /** Logger function */
    log?: (message: string) => void;
}
/**
 * Manages MCP transport sessions.
 */
export declare class SessionManager {
    private sessions;
    private requestContexts;
    private mcpServer;
    private config;
    constructor(config?: SessionManagerConfig);
    /**
     * Set the MCP server that transports will connect to.
     */
    setMcpServer(server: any): void;
    /**
     * Generate a new session ID.
     */
    generateSessionId(): string;
    /**
     * Check if a session exists.
     */
    hasSession(sessionId: string): boolean;
    /**
     * Get an existing session's transport.
     */
    getSession(sessionId: string): any | undefined;
    /**
     * Store request context (headers, etc.) for a session.
     * This is called when an HTTP request arrives, before dispatching to MCP.
     */
    setRequestContext(sessionId: string, context: RequestContext): void;
    /**
     * Get the stored request context for a session.
     * Returns undefined if no context is stored.
     */
    getRequestContext(sessionId: string): RequestContext | undefined;
    /**
     * Get or create a transport for a session.
     */
    getOrCreateSession(sessionId: string): Promise<any>;
    /**
     * Destroy a session.
     */
    destroySession(sessionId: string): boolean;
    /**
     * Get all active session IDs.
     */
    getActiveSessions(): string[];
    /**
     * Get the number of active sessions.
     */
    getSessionCount(): number;
    /**
     * Destroy all sessions.
     */
    destroyAllSessions(): void;
    /**
     * Internal logging helper (no-op if log not provided).
     */
    private log;
}
/**
 * Create a new session manager.
 */
export declare function createSessionManager(config?: SessionManagerConfig): SessionManager;
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