import { RegisteredReducer } from '../reducer';
import { Observable, Subject } from 'rxjs';
import { ActionStream } from '../types/helpers';
export type ReducedStreamOptions = {
    errorSubject?: Subject<any>;
    namespace?: string;
    action$?: ActionStream;
};
/**
 * Creates a simple reduced state stream (without tagging, making sure to have initial state, nor replay)
 *
 * @param initialState The initial state of the stream
 * @param reducers The reducers that build up the stream state
 * @param {ReducedStreamOptions} options
 * @returns
 */
export declare const reducedStream: <State>(initialState: State, reducers: RegisteredReducer<State, any>[], { errorSubject, namespace, action$, }?: ReducedStreamOptions) => Observable<State>;