import { IObservable, IObservablePipe } from '@lifaon/rx-js-light';
import { ILocales } from '../locales/locales.type';
import { IPluralRulesOptions, IPluralRulesResult, IPluralRulesValue } from './plural-rules.type';
export declare function pluralRulesObservablePipe(locales: IObservable<ILocales>, options?: IObservable<IPluralRulesOptions>): IObservablePipe<IPluralRulesValue, IPluralRulesResult>;