/**
 * Copyright (c) Facebook, Inc. And its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
/**
 * Escapes special characters in a string for use in a regular expression.
 * Based on escape-string-regexp package.
 */
export declare function escapeRegexp(string: string): string;