import { Constructor, ClassDescriptor } from './utils.js';
/**
 * @experimental
 * experimental decorator, waiting on Angular issue to be resolved https://github.com/angular/angular/issues/31495
 * Class decorator factory that defines the decorated class as a custom element.
 *
 * ```
 * @customElement('my-element')
 * class MyElement {
 *   render() {
 *     return html``;
 *   }
 * }
 * ```
 */
export declare const customElement: (tagName: string) => (classOrDescriptor: Constructor<HTMLElement> | ClassDescriptor) => any;