/**
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */
/// <reference types="node" />
export declare const readAsciiFile: (filename: string) => Promise<string>;
export declare const readBinaryFile: (filename: string) => Promise<Buffer>;
export declare const writeAsciiFile: (filename: string, contents: string) => Promise<void>;
export declare const writeBinaryFile: (filename: string, contents: Buffer) => Promise<void>;
