import { Observable } from "rxjs";
import type { CheckedIframeMessagePort } from "../CheckedIframeMessagePort";
import type { SpaceUser } from "./SpaceUser";
export declare class Space {
    private readonly port;
    private watchCount;
    private messagesSubscription;
    private readonly users;
    readonly userJoinedObservable: Observable<SpaceUser>;
    readonly userLeftObservable: Observable<SpaceUser>;
    readonly metadataObservable: Observable<Map<string, unknown>>;
    private _userJoinedSubscriber;
    private _userLeftSubscriber;
    private _metadataSubscriber;
    private left;
    private metadata;
    constructor(port: CheckedIframeMessagePort<"joinSpace">);
    private createReactiveUser;
    private watch;
    private unwatch;
    leave(): void;
    startStreaming(): void;
    stopStreaming(): void;
    setMetadata(metadata: Map<string, unknown>): void;
}