/**
 * Options for metric formatting
 */
export interface MetricFormattingOptions {
    /**
     * Locale string for regional formatting (e.g., 'en-US', 'sv-SE')
     */
    locale?: string;
    /**
     * Currency code (e.g., 'USD', 'EUR', 'SEK')
     */
    currency?: string;
}
/**
 * Formatted metric functions
 */
export interface MetricFormatters {
    /**
     * Format a number as currency
     * @param value - Numeric value to format
     * @returns Formatted currency string
     */
    currency: (value: number) => string;
    /**
     * Format a decimal as percentage
     * @param value - Decimal value (0-1 range) to format
     * @param decimalPlaces - Number of decimal places (default: 0)
     * @returns Formatted percentage string
     */
    percentage: (value: number, decimalPlaces?: number) => string;
    /**
     * Format a number with locale-specific formatting
     * @param value - Number to format
     * @returns Formatted number string
     */
    number: (value: number) => string;
}
/**
 * Custom hook providing memoized formatting functions for metrics
 *
 * ## Business Perspective
 *
 * This hook provides consistent metric formatting across all widgets,
 * ensuring that financial data, percentages, and numbers are displayed
 * uniformly. This improves comprehension and professionalism in security
 * reports and dashboards presented to stakeholders. 📊
 *
 * The memoization ensures efficient rendering when formatting large
 * datasets or when components re-render frequently.
 *
 * @param options - Formatting options (locale, currency)
 * @returns Memoized formatting functions for common metric types
 *
 * @example
 * ```typescript
 * // Use default locale and currency (en-US, USD)
 * const { currency, percentage, number } = useFormattedMetrics();
 *
 * console.log(currency(50000));           // "$50,000"
 * console.log(percentage(0.95));          // "95%"
 * console.log(number(1234567));           // "1,234,567"
 *
 * // Use custom locale and currency
 * const formatters = useFormattedMetrics({
 *   locale: 'sv-SE',
 *   currency: 'SEK'
 * });
 * console.log(formatters.currency(50000)); // "50 000 kr"
 * ```
 */
export declare function useFormattedMetrics(options?: MetricFormattingOptions): MetricFormatters;
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