import { default as i18next, InitOptions, i18n as I18n } from 'i18next';
import { SegmentSpecificMessages } from '../types/types';
import { DeepPartial, StringValueOf } from '../types/helpers';
export declare const Namespace: {
    readonly DEFAULT: "default";
    readonly THEME: "theme";
    readonly OPTIONS: "options";
};
export type Namespaces = StringValueOf<typeof Namespace>;
/**
 * TODO: This function can be elimitated once we migrate away from React-Intl and can
 * update the messages keys directly in the message bundles.
 *  */
export declare function contextualizeMessageKey(context: string, segmentMessages: DeepPartial<SegmentSpecificMessages>): {};
export declare function addOptionsMessages(messagesWithLocale: {
    [key: string]: object;
}, i18nextInstance?: I18n): void;
export declare function createI18n(overrideOptions?: InitOptions): Promise<I18n>;
export default i18next;