import type { Generic, LoaderCallback, RegisterOptions } from 'adopted-style-sheets';
import type { II18nService } from './i18n';
export declare const register: (themes: Generic.Theming.RegisterPatch<string, string, string> | Generic.Theming.RegisterPatch<string, string, string>[] | Set<Generic.Theming.RegisterPatch<string, string, string>>, loaders: LoaderCallback | LoaderCallback[] | Set<LoaderCallback>, options?: RegisterOptions) => Promise<void[]>;
export declare const getI18nService: () => II18nService | undefined;
