import { ActivityParticipant } from "./ActivityParticipant";
import { IActivityEvent } from "./events";
import { Observable } from "rxjs";
import { ConvergenceSession } from "../ConvergenceSession";
import { IActivityJoinOptions } from "./IActivityJoinOptions";
import { ConvergenceEventEmitter } from "../util/";
import { StringMapLike } from "../util/StringMap";
import { ActivityPermissionManager } from "./ActivityPermissionManager";
export declare class Activity extends ConvergenceEventEmitter<IActivityEvent> {
    static readonly Events: {
        SESSION_JOINED: string;
        SESSION_LEFT: string;
        STATE_SET: string;
        STATE_CLEARED: string;
        STATE_REMOVED: string;
        STATE_DELTA: string;
        LEFT: string;
        DELETED: string;
        FORCE_LEAVE: string;
    };
    session(): ConvergenceSession;
    type(): string;
    id(): string;
    createdTime(): Date;
    isEphemeral(): boolean;
    permissions(): ActivityPermissionManager;
    leave(): Promise<void>;
    isJoined(): boolean;
    state(): Map<string, any>;
    setState(key: string, value: any): void;
    setState(state: StringMapLike): void;
    removeState(key: string): void;
    removeState(keys: string[]): void;
    clearState(): void;
    participant(sessionId: string): ActivityParticipant;
    participants(): ActivityParticipant[];
    participantsAsObservable(): Observable<ActivityParticipant[]>;
    _join(options?: IActivityJoinOptions): void;
    _whenJoined(): Promise<void>;
    private _setOnline;
    private _setOffline;
    private _sendStateUpdate;
}