import { Observable } from 'rxjs';
import { UnreadMessageSegment } from '../../domain/account/unreadMessageSegment';
import { MessageDoc } from '../message';
import { Id } from '../../firebase/type';
export declare type UnreadMessageSegmentDoc = {
    [id: string]: MessageDoc;
};
export declare function unreadMessageSegmentMapper(unreadMessageSegmentDoc: UnreadMessageSegmentDoc): UnreadMessageSegment;
export declare type UnreadMessagesData = {
    roomId: Id;
    unreadMessages: UnreadMessageSegment;
};
export declare class UnreadMessageObserver {
    private readonly _unreadMessages$;
    private readonly _close$;
    get unreadMessages$(): Observable<UnreadMessagesData>;
    fetchUnreadMessages(roomId: Id): void;
    dispose(): void;
}