import { ReactiveElement } from 'lit';
import { SbbHydrationMixinType } from '../mixins.js';

/**
 * Tests if an element is a Lit `ReactiveElement`.
 *
 * @param element the element to test.
 * @return true if the element is a `ReactiveElement`.
 */
export declare const isReactiveElement: (element: Element) => element is ReactiveElement & Partial<SbbHydrationMixinType>;
/**
 * Waits for all Lit `ReactiveElement` children of the given parent node to
 * finish rendering.
 *
 * @param root a parent node to wait for rendering on.
 */
export declare const waitForLitRender: (root: ParentNode) => Promise<void>;
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