import type { Formatter } from "../../types/string/formatString/formatter";
/**
 * Built-in formatter functions for formatString.
 *
 * Each formatter takes a value and optional arguments, returning a formatted string.
 * Formatters are used with syntax like {value:formatterName} or {value:formatterName(arg1,arg2)}.
 *
 * Available formatters:
 * - upper: Convert to uppercase
 * - lower: Convert to lowercase
 * - currency: Format as currency with locale support
 * - date: Format dates with locale and format options
 * - time: Format time with locale support
 * - number: Format numbers with precision control
 * - plural: Choose singular/plural form based on count
 * - pad: Pad string with characters to specified length
 *
 * @example
 * // Usage in formatString
 * formatString("{name:upper}", { name: "alice" }) // → "ALICE"
 * formatString("{price:currency(ja-JP,JPY)}", { price: 1000 }) // → "￥1,000"
 * formatString("{count:plural(item,items)}", { count: 1 }) // → "item"
 */
export declare const defaultFormatters: Record<string, Formatter>;