/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import * as i18n from '../../../i18n/i18n_ast';
export declare function serializeIcuNode(icu: i18n.Icu): string;