import type { SessionStats } from './types.js';
import type { SessionStateManager } from './state-manager.js';
import type { SessionEventEmitter } from './event-emitter.js';
import type { pino } from 'pino';
export interface ExtendedSessionStats extends SessionStats {
    averageSessionDuration: number;
    peakConcurrentSessions: number;
    sessionCreationRate: number;
    sessionTerminationRate: number;
    topUsers: Array<{
        userId: string;
        sessionCount: number;
        totalDuration: number;
    }>;
}
export declare class SessionStatisticsManager {
    private readonly logger;
    private readonly stateManager;
    private readonly eventEmitter;
    private sessionMetrics;
    private peakConcurrentSessions;
    private sessionCreationTimes;
    private sessionTerminationTimes;
    constructor(logger: pino.Logger, stateManager: SessionStateManager, eventEmitter: SessionEventEmitter);
    getSessionStats(): SessionStats;
    getExtendedStats(): ExtendedSessionStats;
    exportStatistics(): Record<string, unknown>;
    resetStatistics(): void;
    cleanupOldMetrics(maxAge?: number): void;
    private setupEventListeners;
    private updatePeakSessions;
    private calculateSessionsPerUser;
    private calculateUserMetrics;
}
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