import { VegaSlimmer } from '../../../../../vega-slimmer/vega-slimmer-core';
import { VegaLeftNavGroup } from '../../vega-left-nav-group';
export declare class VegaLeftNavGroupOpenStateController extends VegaSlimmer {
  renderer: VegaLeftNavGroup['renderer'];
  /**
   * Checks if the left nav group is currently open.
   * This method checks if the 'open' class is present in the group container.
   *
   * @returns {boolean} - Returns true if the group is open, false otherwise.
   */
  isOpen(): boolean;
  /**
   * Opens the left nav group.
   * This method adds the 'open' class to the group container.
   */
  open(): void;
  /**
   * Closes the left nav group.
   * This method removes the 'open' class from the group container.
   */
  close(): void;
  /**
   * Toggle the left nav group.
   * This method toggle the 'open' class from the group container.
   */
  toggle(): void;
}
