import { Files } from 'formidable';
import { UploadedFile } from './uploaded-file.js';
import { FileBag as FileBagContract } from '@supercharge/contracts';
interface UploadedFileType {
    [name: string]: UploadedFile | UploadedFile[];
}
export declare class FileBag implements FileBagContract {
    /**
     * Stores the files on the request.
     */
    private readonly files;
    /**
     * Create a new instance.
     */
    constructor(files?: UploadedFileType);
    /**
     * Convert the given `files` to Supercharge uploaded file instances.
     */
    static createFromBase(files?: Files): FileBag;
    /**
     * Returns an object of all uploaded files.
     */
    all(...keys: string[] | string[][]): {
        [name: string]: UploadedFile | UploadedFile[] | undefined;
    };
    /**
     * Returns the uploaded file or file array  for the given `name`. Returns
     * `undefined` if no file exists on the request for the given `name`.
     */
    get(name: string): UploadedFile | UploadedFile[] | undefined;
    /**
     * A a file header for the given `name` and assign the `value`.
     * This will override an existing header for the given `name`.
     */
    add(name: string, value: UploadedFile | UploadedFile[]): this;
    /**
     * Determine whether the HTTP header for the given `name` exists.
     */
    has(name: string): boolean;
    /**
     * Determine whether files were uploaded on the request.
     */
    isEmpty(): boolean;
    /**
     * Returns an object containing all files in the bag.
     */
    toJSON(): UploadedFileType;
}
export {};