import { Matrix3 } from '@daign/math';
import { Group } from '../basic-elements';
import { ButtonObject } from './buttonObject';
/**
 * Interactive button control which displays a button object.
 */
export declare class ButtonControl extends Group {
    private callback;
    /**
     * Constructor.
     * @param buttonObject - The button object to display.
     * @param targetTransformation - The transformation matrix of the control object.
     * @param application - The corresponding application.
     */
    constructor(buttonObject: ButtonObject, targetTransformation: Matrix3);
    /**
     * Button click event.
     */
    click(): void;
}