/**
 * Number Formatting Utilities
 * PORTED FROM: clj/ty/i18n/number.cljs
 *
 * Uses native Intl.NumberFormat for locale-aware number formatting
 * Supports currency, percent, compact notation, and custom precision
 */
export type NumberFormatType = 'number' | 'currency' | 'percent' | 'compact';
export interface FormatConfig {
    type: NumberFormatType;
    locale?: string;
    currency?: string;
    precision?: number;
}
/**
 * Format a number based on configuration
 *
 * @example
 * ```typescript
 * formatNumber(1234.56, { type: 'currency', currency: 'USD', locale: 'en-US' })
 * // Returns: "$1,234.56"
 *
 * formatNumber(0.15, { type: 'percent', precision: 2 })
 * // Returns: "15.00%"
 *
 * formatNumber(1234567, { type: 'compact' })
 * // Returns: "1.2M"
 * ```
 */
export declare function formatNumber(value: number, config: FormatConfig): string;
/**
 * Parse a numeric string to a number
 *
 * Simple rule: the last occurring . or , is the decimal separator.
 * Everything else is stripped. This works for both US (1,234.56) and
 * European (1.234,56) input, and for mobile keyboards that use , as decimal.
 *
 * @example
 * ```typescript
 * parseNumericValue("1,234.56") // 1234.56 (last separator is .)
 * parseNumericValue("1.234,56") // 1234.56 (last separator is ,)
 * parseNumericValue("12,50")    // 12.5    (last separator is ,)
 * parseNumericValue("12.50")    // 12.5    (last separator is .)
 * parseNumericValue("1234")     // 1234
 * parseNumericValue("$1,234")   // 1234
 * parseNumericValue("15%")      // 15
 * parseNumericValue("")         // null
 * ```
 */
export declare function parseNumericValue(value: string): number | null;
/**
 * Check if input type requires numeric formatting
 *
 * @example
 * ```typescript
 * shouldFormat('currency') // true
 * shouldFormat('percent')  // true
 * shouldFormat('text')     // false
 * ```
 */
export declare function shouldFormat(type: string): boolean;
/**
 * Format currency with locale
 * Convenience function for currency formatting
 */
export declare function formatCurrency(value: number, currency?: string, locale?: string): string;
/**
 * Format percent with locale
 * Convenience function for percent formatting
 *
 * Note: Expects value as 0.15 for 15%
 */
export declare function formatPercent(value: number, locale?: string, precision?: number): string;
/**
 * Format compact notation
 * Convenience function for compact formatting
 *
 * @example
 * formatCompact(1234567) // "1.2M"
 * formatCompact(1234)    // "1.2K"
 */
export declare function formatCompact(value: number, locale?: string): string;
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