import { SwirlHeadingLevel } from "../swirl-heading/swirl-heading";
/**
 * @slot slot - The main content (e.g. heading, description).
 * @slot illustration - The placeholder illustration
 * @slot controls - The action controls (e.g. buttons).
 */
export declare class SwirlEmptyState {
    el: HTMLElement;
    heading?: string;
    headingLevel: SwirlHeadingLevel;
    illustration?: string;
    render(): any;
}