/** * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ export declare const makeInvalidReturnValueError: () => string; export declare const makeInvalidSourceMapWarning: (filename: string, transformPath: string) => string; export declare const makeInvalidSyncTransformerError: (transformPath: string) => string; export declare const makeInvalidTransformerError: (transformPath: string) => string;