/// <reference types="react" />
import { h } from 'preact';
/**
 * Matches a string with one of the locales
 * @param locale -
 * @param supportedLocales -

 * @example
 * matchLocale('en-GB');
 * // 'en-US'
 */
export declare function matchLocale(locale: string, supportedLocales: any): string;
/**
 * Returns a locale with the proper format
 * @param localeParam -
 *
 * @example
 * formatLocale('En_us');
 * // 'en-US'
 */
export declare function formatLocale(localeParam: string): string;
/**
 * Checks the locale format.
 * Also checks if it's on the locales array.
 * If it is not, tries to match it with one.
 * @param locale -
 * @param supportedLocales -
 */
export declare function parseLocale(locale: string, supportedLocales?: string[]): string;
/**
 * Formats the locales inside the customTranslations object against the supportedLocales
 * @param customTranslations -
 * @param supportedLocales -
 */
export declare function formatCustomTranslations(customTranslations: object, supportedLocales: string[]): object;
/**
 * Returns a translation string by key
 * @param translations -
 * @param key -
 * @param options -
 *
 * @internal
 */
export declare const getTranslation: (translations: object, key: string, options?: {
    [key: string]: any;
}) => string;
/**
 * Returns an Object which contains all the key/values of the translation labels
 *
 * @param locale - The locale the user wants to use
 * @param customTranslations - Custom translations provided by the merchant
 */
export declare const loadTranslations: (locale: string, customTranslations?: object) => Promise<Record<string, string>>;
/**
 * Injects JSX elements in a middle of a translation and returns a JSX array
 * The input string should use %# as the token to know where to insert the component
 * @param translation - Translation string
 * @param renderFunctions - An array function that renders JSX elements
 */
export declare const interpolateElement: (translation: string, renderFunctions: ((translation: string) => h.JSX.Element | string)[]) => (string | h.JSX.Element)[];