import { Observable } from 'rxjs';
import { Room } from '../../domain/message/room';
import { RoomActivity } from '../../domain/timeline/room';
import { RoomObserver } from './room';
import { UnreadMessageObserver } from './unreadMessageSegments';
import { MessageObserver } from '../message';
export declare type RoomDoc = Omit<Omit<Room, 'updatedAt'>, 'createdAt'> & {
    createdAt: import('firebase').firestore.Timestamp;
    updatedAt: import('firebase').firestore.Timestamp;
};
export declare function roomMapper(roomDoc: RoomDoc): Room;
declare type Item = RoomActivity[];
export declare class TimelineObserver {
    private readonly roomObserver;
    private readonly unreadMessageObserver;
    private readonly messageObserver;
    private readonly _rooms$;
    private readonly _close$;
    constructor(roomObserver: RoomObserver, unreadMessageObserver: UnreadMessageObserver, messageObserver: MessageObserver);
    get rooms$(): Observable<Item>;
    fetchRooms(limit?: number, startAfter?: Date): void;
    dispose(): void;
}
export {};