--- /dev/null
+import { Subject } from './Subject';
+import { SchedulerLike } from './types';
+import { Subscriber } from './Subscriber';
+import { Subscription } from './Subscription';
+/**
+ * A variant of Subject that "replays" or emits old values to new subscribers.
+ * It buffers a set number of values and will emit those values immediately to
+ * any new subscribers in addition to emitting new values to existing subscribers.
+ *
+ * @class ReplaySubject<T>
+ */
+export declare class ReplaySubject<T> extends Subject<T> {
+ private scheduler?;
+ private _events;
+ private _bufferSize;
+ private _windowTime;
+ private _infiniteTimeWindow;
+ constructor(bufferSize?: number, windowTime?: number, scheduler?: SchedulerLike);
+ private nextInfiniteTimeWindow;
+ private nextTimeWindow;
+ /** @deprecated This is an internal implementation detail, do not use. */
+ _subscribe(subscriber: Subscriber<T>): Subscription;
+ _getNow(): number;
+ private _trimBufferThenGetEvents;
+}