import { Box2 } from '@daign/math';
import { StyledGraphicNode } from '../styledGraphicNode';
/**
 * Class for a mask element.
 */
export declare class Mask extends StyledGraphicNode {
    /**
     * Constructor.
     */
    constructor();
    /**
     * Get the bounding box of all child elements of the mask.
     * @returns The bounding box.
     */
    getBox(): Box2;
}