/**
 * Copyright 2013-2026 the original author or authors from the JHipster project.
 *
 * This file is part of the JHipster project, see https://www.jhipster.tech/
 * for more information.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * Converts xx-yy to xx_yy.
 * @param language
 * @returns
 */
export declare function languageSnakeCase(language: string): string;
/**
 * Convert a language tag to java locale tag.
 * @param language
 * @returns
 */
export declare function languageToJavaLanguage(language: string): string;
/**
 * Convert a language tag to faker exported name.
 */
export declare function languageToFakerLanguage(language: string): string;
type specificLocales = 
/**
 * Locale id fallback for java.
 * Tags can be found at [Java 21 locales tags](https://www.oracle.com/java/technologies/javase/jdk21-suported-locales.html#modules)
 */
'javaLocaleMessageSourceSuffix'
/**
 * Locale id fallback for angular.
 * Tags can be found at https://www.npmjs.com/package/@angular/common?activeTab=explore
 */
 | 'angularLocale'
/**
 * Locale id fallback for [dayjs](https://github.com/iamkun/dayjs).
 * Tags can be found at https://www.npmjs.com/package/dayjs?activeTab=explore
 */
 | 'dayjsLocale'
/**
 * Locale for fakerjs.
 * Available locales can be found at https://github.com/faker-js/faker/tree/next/src/locales
 */
 | 'fakerjsLocale';
type BaseLanguage = {
    /**
     * BCP 47 formatted language tag.
     */
    readonly languageTag: string;
    /**
     * English name.
     */
    readonly name: string;
    /**
     * Language name in the original language.
     */
    readonly displayName: string;
    /**
     * Language is right-to-left.
     */
    readonly rtl: boolean;
};
export type Language = BaseLanguage & Readonly<Record<specificLocales, string | null>>;
export declare const supportedLanguages: readonly Language[];
export declare const findLanguageForTag: (languageTag: string, languages?: readonly Language[]) => Language | undefined;
export declare const defaultLanguage: Required<Language>;
/**
 * Generate language objects in array of "'en': { name: 'English' }" format
 * @param languages
 */
export declare const generateLanguagesWebappOptions: (languages: readonly Language[]) => string[];
export declare function languagesAsChoices(languages?: readonly Language[]): {
    value: string;
    name: string;
}[];
export {};