/**
 * Session management for ProductBoard MCP Server
 * Provides isolated state per connection to prevent conflicts between multiple clients
 */
export interface SessionState {
    sessionId: string;
    createdAt: Date;
    lastActivity: Date;
    clientInfo?: {
        userAgent?: string;
        clientId?: string;
    };
    apiInstances: Map<string, any>;
    configCache: Map<string, any>;
    requestCount: number;
    activeRequests: Set<string>;
}
export interface SessionManager {
    createSession(sessionId?: string): SessionState;
    getSession(sessionId: string): SessionState | undefined;
    updateActivity(sessionId: string): void;
    removeSession(sessionId: string): void;
    cleanupInactiveSessions(): void;
    getActiveSessionCount(): number;
    getSessionStats(): SessionStats;
}
export interface SessionStats {
    totalSessions: number;
    activeSessions: number;
    totalRequests: number;
    averageRequestsPerSession: number;
    oldestSession?: Date;
}
declare class ProductBoardSessionManager implements SessionManager {
    private sessions;
    private cleanupInterval;
    private readonly sessionTimeout;
    private readonly cleanupIntervalMs;
    constructor();
    createSession(sessionId?: string): SessionState;
    getSession(sessionId: string): SessionState | undefined;
    updateActivity(sessionId: string): void;
    removeSession(sessionId: string): void;
    cleanupInactiveSessions(): void;
    getActiveSessionCount(): number;
    getSessionStats(): SessionStats;
    private generateSessionId;
    private startCleanupTimer;
    shutdown(): void;
}
export declare const sessionManager: ProductBoardSessionManager;
export {};