export interface FilePropertyBag extends BlobPropertyBag {
    /**
     * The last modified date of the file as the number of milliseconds since the Unix epoch (January 1, 1970 at midnight). Files without a known last modified date return the current date.
     */
    lastModified?: number;
}
/**
 * The **File** interface provides information about files and allows JavaScript to access their content.
 */
export declare class File extends globalThis.Blob {
    #private;
    static [Symbol.hasInstance](value: unknown): value is File;
    /**
     * Creates a new File instance.
     *
     * @param fileBits - An `Array` strings, or [`ArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer), [`ArrayBufferView`](https://developer.mozilla.org/en-US/docs/Web/API/ArrayBufferView), [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) objects, or a mix of any of such objects, that will be put inside the [`File`](https://developer.mozilla.org/en-US/docs/Web/API/File).
     * @param name - The name of the file.
     * @param options - An options object containing optional attributes for the file.
     */
    constructor(fileBits: BlobPart[], name: string, options?: FilePropertyBag);
    /**
     * Name of the file referenced by the File object.
     */
    get name(): string;
    get webkitRelativePath(): string;
    /**
     * The last modified date of the file as the number of milliseconds since the Unix epoch (January 1, 1970 at midnight). Files without a known last modified date return the current date.
     */
    get lastModified(): number;
    get [Symbol.toStringTag](): string;
}