/**
 * @license
 * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
 * http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at
 * http://polymer.github.io/PATENTS.txt
 */
/**
 * True if the custom elements polyfill is in use.
 */
export declare const isCEPolyfill: boolean;
/**
 * Reparents nodes, starting from `start` (inclusive) to `end` (exclusive),
 * into another container (could be the same container), before `before`. If
 * `before` is null, it appends the nodes to the container.
 */
export declare const reparentNodes: (container: Node, start: Node | null, end?: Node | null, before?: Node | null) => void;
/**
 * Removes nodes, starting from `start` (inclusive) to `end` (exclusive), from
 * `container`.
 */
export declare const removeNodes: (container: Node, start: Node | null, end?: Node | null) => void;
