/**
 * Logger utility for Scrapeless Browser Skills
 */
export declare enum LogLevel {
    ERROR = 0,
    WARN = 1,
    INFO = 2,
    DEBUG = 3,
    TRACE = 4
}
export interface LogEntry {
    level: LogLevel;
    message: string;
    timestamp: Date;
    context?: Record<string, any>;
    error?: Error;
}
export declare class Logger {
    private static instance;
    private level;
    private enableConsole;
    private entries;
    private maxEntries;
    private constructor();
    static getInstance(): Logger;
    setLevel(level: LogLevel): void;
    setConsoleEnabled(enabled: boolean): void;
    setMaxEntries(max: number): void;
    private shouldLog;
    private addEntry;
    private trimEntries;
    private formatMessage;
    private log;
    error(message: string, error?: Error, context?: Record<string, any>): void;
    warn(message: string, context?: Record<string, any>): void;
    info(message: string, context?: Record<string, any>): void;
    debug(message: string, context?: Record<string, any>): void;
    trace(message: string, context?: Record<string, any>): void;
    /**
     * Log API request
     */
    logApiRequest(method: string, url: string, headers?: Record<string, string>, body?: any): void;
    /**
     * Log API response
     */
    logApiResponse(status: number, statusText: string, headers?: Record<string, string>, body?: any): void;
    /**
     * Log CDP message
     */
    logCDPMessage(direction: 'send' | 'receive', message: any): void;
    /**
     * Log session lifecycle events
     */
    logSessionEvent(event: string, sessionId?: string, details?: Record<string, any>): void;
    /**
     * Get recent log entries
     */
    getEntries(level?: LogLevel, limit?: number): LogEntry[];
    /**
     * Clear all log entries
     */
    clear(): void;
    /**
     * Export logs as JSON
     */
    exportLogs(): string;
    private sanitizeHeaders;
    private sanitizeBody;
    private sanitizeObject;
}
export declare const logger: Logger;
export declare function configureLogger(options: {
    debug?: boolean;
    level?: LogLevel;
    console?: boolean;
}): void;
export declare const log: {
    error: (message: string, error?: Error, context?: Record<string, any>) => void;
    warn: (message: string, context?: Record<string, any>) => void;
    info: (message: string, context?: Record<string, any>) => void;
    debug: (message: string, context?: Record<string, any>) => void;
    trace: (message: string, context?: Record<string, any>) => void;
};
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