export declare class LanguageManager {
    language: string | undefined;
    private phrases;
    private groupId;
    ready: boolean;
    getPhrase(phrase: string, defaultValue?: string): string;
    getPhraseWithReplacement(phrase: string, replacement: string, defaultValue?: string): string;
    printableVersion(): LanguageManager;
    constructor(groupId: string);
    initialize(baseURL: string, translationsURL: string, staging?: boolean): Promise<void>;
    private nativeFetch;
    private getAgentLanguage;
    private getUISettings;
    private getLanguage;
    private getPhrasesURL;
    private getPhrases;
}