import { Subject } from 'rxjs';
import { Action } from '@state-adapt/core';
type SubjectWithoutNext = new <K>() => {
    [P in Exclude<keyof Subject<K>, 'next'>]: Subject<K>[P];
};
declare const SubjectWithoutNext: SubjectWithoutNext;
/**
 * @deprecated Use {@link source} instead.
 */
export declare class Source<T> extends SubjectWithoutNext<Action<T>> {
    type: string;
    constructor(type?: string);
    next(payload: T): void;
}
export {};