import { LocalizationHelper } from "@itwin/presentation-common/internal";
/** @internal */
export declare class FrontendLocalizationHelper extends LocalizationHelper {
    private _lang;
    constructor(lang?: string);
    get locale(): string | undefined;
    set locale(locale: string | undefined);
    static registerNamespaces(): Promise<void>;
    static unregisterNamespaces(): void;
}
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