/**
 * FormData implementation for GJS.
 * Spec: https://xhr.spec.whatwg.org/#interface-formdata
 */
import { File } from './file.ts';
type FormDataEntryValue = string | File;
interface FormDataEntry {
    name: string;
    value: FormDataEntryValue;
}
declare const _entries: unique symbol;
export declare class FormData {
    [_entries]: FormDataEntry[];
    constructor();
    append(name: string, value: string): void;
    append(name: string, blobValue: Blob, filename?: string): void;
    delete(name: string): void;
    get(name: string): FormDataEntryValue | null;
    getAll(name: string): FormDataEntryValue[];
    has(name: string): boolean;
    set(name: string, value: string): void;
    set(name: string, blobValue: Blob, filename?: string): void;
    forEach(callback: (value: FormDataEntryValue, key: string, parent: FormData) => void, thisArg?: any): void;
    entries(): IterableIterator<[string, FormDataEntryValue]>;
    keys(): IterableIterator<string>;
    values(): IterableIterator<FormDataEntryValue>;
    [Symbol.iterator](): IterableIterator<[string, FormDataEntryValue]>;
    get [Symbol.toStringTag](): string;
}
export {};