import { MapDataManager } from './MapDataManager';
import { FloorManager } from './FloorManager';
import { IConTexture } from '../texture/IconTexture';
import { IMapOptions } from '../../model/IMapOption';
import { ChangeFloorObserverManager } from './ChangeFloorObserverManager';
export declare class BackgroundManager extends ChangeFloorObserverManager {
    private iconStyle;
    private floorManager;
    private mapOption;
    private mapDataManager;
    private iconId;
    constructor();
    init(iconStyle: IConTexture, mapOption: IMapOptions, floorManager: FloorManager, mapDataManager: MapDataManager): Promise<void>;
    draw(floorId: string): Promise<void>;
    changeShowBackground(visible: boolean): void;
    private makeGroups;
    private makeGroup;
}