import type { Background, NormalizedBackground } from 'modern-idoc';
import { Element2DFill } from './Element2DFill';
export declare class Element2DBackground extends Element2DFill implements NormalizedBackground {
    fillWithShape: NormalizedBackground['fillWithShape'];
    setProperties(properties?: Background): this;
    protected _updateProperty(key: string, value: any, oldValue: any): void;
}