export type DebugMode = "dev" | "file" | "off";
export interface LoggerConfig {
    mode: DebugMode;
    json?: boolean;
}
export declare class Logger {
    private readonly pinoLogger;
    private readonly logFilePath?;
    private constructor();
    private createLogFilePath;
    /**
     * Log a debug message
     */
    debug(message: string, data?: Record<string, unknown>): void;
    /**
     * Get the log file path (only set in file mode)
     */
    getLogFilePath(): string | undefined;
    /**
     * Get the singleton instance (creates a silent logger if not initialized)
     */
    static getInstance(): Logger;
    /**
     * Initialize the logger with configuration
     */
    static initialize(config: LoggerConfig): Logger;
    /**
     * Reset the singleton (useful for testing)
     */
    static reset(): void;
}
/**
 * Convenience function for debug logging
 */
export declare const debug: (message: string, data?: Record<string, unknown>) => void;
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