/**
 * @license
 * Copyright (c) 2018 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
 */
import { Part } from '../lit-html.js';
/**
 * For AttributeParts, sets the attribute if the value is defined and removes
 * the attribute if the value is undefined.
 *
 * For other part types, this directive is a no-op.
 */
export declare const ifDefined: (value: unknown) => (part: Part) => void;
//# sourceMappingURL=if-defined.d.ts.map