import { Observable } from 'rxjs';
import { Action } from './action';
type SourceAction<T extends Action> = () => Observable<T | T[]>;
type SourceAny = () => Observable<any | any[]>;
interface Config {
    dispatch: boolean;
}
interface ConfigWithDispatch extends Config {
    dispatch: true;
}
interface ConfigWithKeep extends Config {
    dispatch: false;
}
export type Effect<R = any> = Observable<R | R[]>;
declare function createEffect<S extends Action>(source: SourceAction<S>, config?: ConfigWithDispatch): Effect<S | S[]>;
declare function createEffect(source: SourceAny, config: ConfigWithKeep): Effect<any | any[]>;
export { createEffect };
export declare const ofType: <T extends Action>(...allowedTypes: string[]) => import("rxjs").UnaryFunction<Observable<Action>, Observable<T>>;