export declare const handleDownloadReactTableDataExcel: (fileName: string, rowData: any[], columns?: any[], customColumns?: any[], HeaderBackGround?: string, HeaderColor?: string) => Promise<void>;
export declare function getUsernameFromEmail(email: string): string;
export declare function getInitials(name: string): string;
export declare function findMenuHierarchy(menuData: any[], currentUrl: string, URLProjectNameWithSlash: string): any;
/**
 * Calculates a date by adding/subtracting days from today or a base date
 * @param dayOffset - Days to add (positive) or subtract (negative) (default: 0)
 * @param baseDate - Base date in DD/MM/YYYY format (default: today)
 * @returns Formatted date string in DD/MM/YYYY format
 */
export declare const getDesiredDate: (dayOffset?: number, baseDate?: string | null) => string;
/**
 * Calculates sum of numeric values for a specific property across array objects
 * @param array - Array of objects to sum
 * @param key - Property name to sum
 * @returns Total sum of numeric values
 */
export declare function calculateTotalArrayValueTotal<T extends Record<string, any>>(array: T[], key: keyof T): number;
/**
 * Checks if first date comes before second date
 * @param dateStr1 - First date in DD/MM/YYYY format
 * @param dateStr2 - Second date in DD/MM/YYYY format
 * @returns True if dateStr1 is before dateStr2
 */
export declare function checkIsDateIsBefore(dateStr1: string, dateStr2: string): boolean;
/**
 * Lightens a hex color by a specified percentage
 * @param color - Hex color string (with or without #)
 * @param percent - Percentage to lighten (0-100)
 * @returns Lightened hex color string
 */
export declare function lightenColor(color: string, percent: number): string;
/**
 * Gets formatted date with optional day offset
 * @param dayOffset - Days to add (positive) or subtract (negative) from today (default: 0)
 * @returns Date string in DD/MM/YYYY format
 */
export declare function getFormattedDate(dayOffset?: number): string;
/**
 * Encrypts text or objects using AES encryption and Base64 encoding
 * @param text - String to encrypt (objects will be JSON.stringify'd)
 * @param SECRET_KEY - Secret key for encryption
 * @returns Base64 encoded encrypted string
 * @example
 * ```typescript
 * const encrypted = await encryptText("Hello World", "myKey");
 * const encryptedObj = await encryptText({name: "John"}, "myKey");
 * ```
 */
export declare const encryptText: (text: string, SECRET_KEY: string) => Promise<string>;
/**
 * Decrypts Base64 encoded AES encrypted text back to original string
 * @param ciphertext - Base64 encoded encrypted string from encryptText
 * @param SECRET_KEY - Same secret key used for encryption
 * @returns Original decrypted text
 * @example
 * ```typescript
 * const decrypted = await decryptText(encryptedString, "myKey");
 * ```
 */
export declare const decryptText: (ciphertext: string, SECRET_KEY: string) => Promise<string>;