/**
 * @copyright Sister Software
 * @license AGPL-3.0
 * @author Teffen Ellis, et al.
 */
import type { Alpha2LanguageCode } from "#resources/languages";
import { type TextNormalizerInit } from "#tokenization";
import { LocaleIndex } from "./LocaleIndex.ts";
export type LibPostalLanguageCode = Alpha2LanguageCode | "all";
/**
 * Languages with a libpostal dictionary directory on disk. Lazily resolved and memoized — this was a top-level `await`
 * until #481, which made any bare-import + subpath-import combination a TLA cycle under Vite's loader (base classes at
 * the far side of the barrel evaluated as `undefined`). The promise is shared, so concurrent first callers do one
 * `readdir`.
 */
export declare function getAvailableLanguages(): Promise<LibPostalLanguageCode[]>;
export interface LibPostalFileEntry {
    filePath: string;
    languageCode: LibPostalLanguageCode;
}
interface LibPostalNormalizerInit extends TextNormalizerInit {
    pluralize?: boolean;
}
/**
 * Load a dictionary file.
 */
export declare function prepareLocaleIndex(
/**
 * An iterable of language codes
 */
languageCodes: LibPostalLanguageCode[] | undefined, filename: string, options?: LibPostalNormalizerInit): Promise<LocaleIndex<LibPostalLanguageCode>>;
/**
 * Generate plurals for the index.
 */
export declare function generatePlurals(index: LocaleIndex<LibPostalLanguageCode>): void;
export {};
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