import { StyledGraphicNode } from '../styledGraphicNode';
import { SinglePointElement } from '../basic-elements';
/**
 * Class for a button object at an anchor position.
 */
export declare class ButtonObject extends SinglePointElement {
    callback: () => void;
    buttonShape: StyledGraphicNode | undefined;
    /**
     * Constructor.
     */
    constructor(callback: () => void);
}