export interface SectionState {
    newMessagesCount: number;
    sectionId: string;
    roomId: string;
    lastViewed?: string;
}
interface RoomState {
    sections: {
        [sectionId: string]: SectionState;
    };
    status: {
        isFetched?: boolean;
    };
}
interface State {
    [roomId: string]: RoomState;
}
export declare function NotificationsReducer(state: State, action: {
    type: string;
    payload: any;
}): State;
export {};