/**
 * Utils module - Provides utility functions and helpers
 */
/**
 * Format a date to ISO string
 * @param date Date to format
 * @returns Formatted date string
 */
export declare function formatDate(date?: Date): string;
/**
 * Sleep for a specified number of milliseconds
 * @param ms Milliseconds to sleep
 * @returns Promise that resolves after the specified time
 */
export declare function sleep(ms: number): Promise<void>;
/**
 * Deep clone an object
 * @param obj Object to clone
 * @returns Cloned object
 */
export declare function deepClone<T>(obj: T): T;
/**
 * Generate a random ID
 * @param length Length of the ID (default: 10)
 * @returns Random ID string
 */
export declare function generateId(length?: number): string;
/**
 * Logger utility
 */
export declare class Logger {
    private prefix;
    constructor(prefix?: string);
    /**
     * Log an informational message
     * @param message Message to log
     */
    info(message: string): void;
    /**
     * Log a warning message
     * @param message Message to log
     */
    warn(message: string): void;
    /**
     * Log an error message
     * @param message Message to log
     */
    error(message: string): void;
}