import { VegaSlimmer } from '../../../../vega-slimmer/vega-slimmer-core';
import { VegaButtonGroup } from '../../vega-button-group';
/** The `VegaButtonGroupClickController` class is responsible for adding and removing observers for button group click events in a Vega component. */
export declare class VegaButtonGroupClickController extends VegaSlimmer {
  protected host: VegaButtonGroup['host'];
  protected clickEventEmitter: VegaButtonGroup['clickEventEmitter'];
  /**
   * Add group node subject observer
   */
  registerGroupClickObserver(): void;
  /**
   * Remove the group node subject observer
   */
  unregisterGroupClickObserver(): void;
}
