/**
 * @description ku4-panel
 */
export declare class Ku4Panel {
  private host;
  /**
   * Set true to display panel
   */
  open: boolean;
  openHandler(value: any): void;
  private maxHeight;
  handleTransitionEnd(): void;
  /**
   * Toggle panel state
   */
  toggle(): Promise<void>;
  /**
   * Close panel
   */
  close(): Promise<void>;
  render(): any;
}