import type { FlowSubject } from '../FlowSubject';
import type { Action, Flow } from '../types';
/**
 * Apply side effect to Reactive Subject.
 *
 * __IMPORTANT__ observable returned from flow must return new action or will create infinite loop
 */
export declare const useObservableFlow: <S, A extends Action = Action>(subject: FlowSubject<S, A>, epic: Flow<A, S>) => void;
/** @deprecated since 8.0.3 renamed to useObservableFlow */
export declare const useObservableEpic: <S, A extends Action = Action>(subject: FlowSubject<S, A>, epic: Flow<A, S>) => void;
export default useObservableFlow;