/// <reference types="node" />
import { type Readable } from 'stream';
/**
 * @class File - Represents a file retrieved from Onspring.
 */
export declare class File {
    /**
     * @property {Readable} stream - The stream of the file.
     */
    stream: Readable;
    /**
     * @property {string} fileName - The name of the file.
     */
    fileName: string;
    /**
     * @property {string} contentType - The content type of the file.
     */
    contentType: string;
    /**
     * @property {number} contentLength - The content length of the file.
     */
    contentLength: number;
    /**
     * @constructor - Creates a new instance of File.
     * @param {Readable} stream - The stream of the file.
     * @param {string} fileName - The name of the file.
     * @param {string} contentType - The content type of the file.
     * @param {number} contentLength - The content length of the file.
     * @returns {File} - A new instance of File.
     */
    constructor(stream: Readable, fileName: string, contentType: string, contentLength: number);
}