import { ReadonlyReactive } from "@conterra/reactivity-core";
import { ApplicationMetadata } from "../metadata";
import { PackageIntl } from "./PackageIntl";
/**
 * Represents i18n info for the entire application.
 * Currently not exposed to user code.
 */
export interface AppIntl {
    destroy(): void;
    /** Chosen locale */
    readonly locale: string;
    /** Supported locales from app metadata. */
    readonly supportedMessageLocales: string[];
    /** True if the locale can be used in this application (i.e. if there are any messages). */
    supportsLocale(locale: string): boolean;
    /** Given the package name, constructs a package i18n instance. */
    createPackageI18n(packageName: string): ReadonlyReactive<PackageIntl>;
}
/**
 * Initializes the application's locale and fetches the appropriate i18n messages.
 */
export declare function initI18n(appMetadata: ApplicationMetadata | undefined, forcedLocale: string | undefined): Promise<AppIntl>;