import { ILogger, LoggerConfig, LogContext, LogTransport, LogLevel } from './types';
export declare class Logger implements ILogger {
    private name;
    private level;
    private context;
    private transports;
    private enabled;
    constructor(config?: LoggerConfig);
    /**
     * Log debug message
     */
    debug(message: string, data?: unknown): void;
    /**
     * Log info message
     */
    info(message: string, data?: unknown): void;
    /**
     * Log warning message
     */
    warn(message: string, data?: unknown): void;
    /**
     * Log error message
     */
    error(message: string, error?: Error | unknown): void;
    /**
     * Log critical message
     */
    critical(message: string, error?: Error | unknown): void;
    /**
     * Core logging method
     */
    private log;
    /**
     * Set log level
     */
    setLevel(level: LogLevel): void;
    /**
     * Get current log level
     */
    getLevel(): LogLevel;
    /**
     * Set context (merges with existing)
     */
    setContext(context: Partial<LogContext>): void;
    /**
     * Get current context
     */
    getContext(): LogContext;
    /**
     * Clear context
     */
    clearContext(): void;
    /**
     * Add transport
     */
    addTransport(transport: LogTransport): void;
    /**
     * Remove transport by name
     */
    removeTransport(transportName: string): void;
    /**
     * Get all transports
     */
    getTransports(): LogTransport[];
    /**
     * Enable logger
     */
    enable(): void;
    /**
     * Disable logger
     */
    disable(): void;
    /**
     * Check if logger is enabled
     */
    isEnabled(): boolean;
    /**
     * Create child logger with inherited context
     */
    child(name: string, context?: Partial<LogContext>): ILogger;
    /**
     * Flush all transports
     */
    flush(): Promise<void>;
}
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