import { Subject } from './Subject';
import { Scheduler } from './Scheduler';
import { Subscriber } from './Subscriber';
import { TeardownLogic } from './Subscription';
/**
 * @class ReplaySubject<T>
 */
export declare class ReplaySubject<T> extends Subject<T> {
    private events;
    private scheduler;
    private bufferSize;
    private _windowTime;
    constructor(bufferSize?: number, windowTime?: number, scheduler?: Scheduler);
    protected _next(value: T): void;
    protected _subscribe(subscriber: Subscriber<T>): TeardownLogic;
    private _getNow();
    private _trimBufferThenGetEvents(now);
}