/**
 * Session caching for Scrapeless Browser Skills
 * Reduces API calls by caching active session information
 */
import type { SessionInfo } from './api-client.js';
export interface CachedSession {
    sessionId: string;
    createdAt: Date;
    status: string;
    name?: string;
    metadata?: Record<string, any>;
    lastUsed: Date;
    cdpUrl?: string;
}
export declare class SessionCache {
    private static instance;
    private cache;
    private maxAge;
    private maxSize;
    private constructor();
    static getInstance(): SessionCache;
    /**
     * Set cache configuration
     */
    configure(options: {
        maxAge?: number;
        maxSize?: number;
    }): void;
    /**
     * Add or update a session in the cache
     */
    set(sessionInfo: SessionInfo, cdpUrl?: string): void;
    /**
     * Get a session from the cache
     */
    get(sessionId: string): CachedSession | null;
    /**
     * Get all cached sessions
     */
    getAll(): CachedSession[];
    /**
     * Get all running sessions from cache
     */
    getRunning(): CachedSession[];
    /**
     * Get the latest running session from cache
     */
    getLatestRunning(): CachedSession | null;
    /**
     * Remove a session from the cache
     */
    remove(sessionId: string): void;
    /**
     * Update session status
     */
    updateStatus(sessionId: string, status: string): void;
    /**
     * Clear all cached sessions
     */
    clear(): void;
    /**
     * Get cache statistics
     */
    getStats(): {
        total: number;
        running: number;
        expired: number;
        oldestEntry: Date | null;
        newestEntry: Date | null;
    };
    /**
     * Check if a cached session is expired
     */
    private isExpired;
    /**
     * Clean up expired sessions and enforce size limit
     */
    private cleanup;
}
export declare const sessionCache: SessionCache;
/**
 * Configure the global session cache
 */
export declare function configureSessionCache(options: {
    maxAge?: number;
    maxSize?: number;
}): void;
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