/// <reference types="node" />
import FormData from 'form-data';
export interface FileBuilderFile {
    name: string;
    buffer: Buffer;
}
/**
 * File builder for easily sending file(s) as a response
 * @example
 * return new FileBuilder()
 *   .add('image.png', imageBuffer)
 *   .add('info.txt', Buffer.from('What\'s up!'))
 */
export declare class FileBuilder {
    files: FileBuilderFile[];
    constructor(files?: FileBuilderFile[]);
    /**
     * Adds a file to be sent
     * @param name Name of file
     * @param buffer Buffer of the file
     * @returns {FileBuilder}
     */
    add(name: string, buffer: Buffer): this;
    /**
     * Removes a file from the builder
     * @param name Name of file
     * @returns {FileBuilder}
     */
    remove(name: string): this;
    /**
     * Finds a file by it's name
     * @param name Name of file
     * @returns {FileBuilderFile}
     */
    find(name: string): FileBuilderFile | undefined;
    /**
     * Clones this file builder to a deep cloned new FileBuilder
     * @returns {FileBuilder} cloned FileBuilder
     */
    clone(): FileBuilder;
    /**
     * Renders the FileBuilder to form-data
     * @returns {FormData}
     */
    toFormData(): FormData;
}