/**
 * Shared number formatter for figures the kit shows or announces: a rating,
 * a file size, an angle, a contrast ratio. Use it instead of `toFixed`,
 * which always writes a dot, and instead of a bare `Intl.NumberFormat`,
 * which shows English digits in Albanian on Chromium (no Albanian number
 * data there; see `numberLocale`).
 *
 * The UI language goes through `canonicalLocale` first, so a host's POSIX
 * tag (`it_IT.UTF-8`) formats as Italian rather than throwing.
 */
/** `value` in the UI `language`, with the given `Intl` options. */
export declare function formatNumber(value: number, language: string | undefined, options?: Intl.NumberFormatOptions): string;
/**
 * A star rating as the kit writes it everywhere: at most one decimal, in
 * the language's own separator ("4,6" in Italian, "4.6" in English, "5"
 * for a whole number). Rating, OperatorHero and every hero or card that
 * shows a score use this, so visible text and aria-labels always agree.
 */
export declare function formatRating(value: number, language: string | undefined): string;
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