/**
 * Formatting utilities
 */
/**
 * Format amount for display
 */
export declare function formatAmount(amount: number, currency?: string, locale?: string): string;
/**
 * Get currency symbol
 */
export declare function getCurrencySymbol(currency: string): string;
/**
 * Convert amount to smallest currency unit (cents)
 */
export declare function convertToSubcurrency(amount: number, currency?: string): number;
/**
 * Convert from smallest currency unit to major unit
 */
export declare function convertFromSubcurrency(amount: number, currency?: string): number;
/**
 * Format phone number
 */
export declare function formatPhoneNumber(phone: string, country?: string): string;
/**
 * Format time remaining
 */
export declare function formatTimeRemaining(seconds: number): string;
/**
 * Format date for display
 */
export declare function formatDate(date: Date | number | string, locale?: string): string;
/**
 * Mask sensitive data (like card numbers)
 */
export declare function maskCardNumber(cardNumber: string): string;
/**
 * Format error message for display
 */
export declare function formatErrorMessage(error: string | Error): string;
/**
 * Format status for display
 */
export declare function formatPaymentStatus(status: string): string;
/**
 * Truncate text with ellipsis
 */
export declare function truncateText(text: string, maxLength: number): string;