/**
 * This file is part of the @egodigital/egoose distribution.
 * Copyright (c) e.GO Digital GmbH, Aachen, Germany (https://www.e-go-digital.com/)
 *
 * @egodigital/egoose is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, version 3.
 *
 * @egodigital/egoose is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
/// <reference types="node" />
import * as Stream from 'stream';
/**
 * Returns a value as buffer.
 *
 * @param {any} data The input data.
 * @param {string} [enc] The custom encoding for string to use. Default: utf8
 *
 * @return {Promise<Buffer>} The promise with the buffer.
 */
export declare function asBuffer(data: any, enc?: string): Promise<Buffer>;
/**
 * Reads the content of a stream.
 *
 * @param {Stream.Readable} stream The stream.
 * @param {string} [enc] The custom (string) encoding to use.
 *
 * @returns {Promise<Buffer>} The promise with the content.
 */
export declare function readAll(stream: Stream.Readable, enc?: string): Promise<Buffer>;