export default class FormData {
    private map;
    append(name: string, value: string | Blob, fileName?: string): void;
    delete(name: string): void;
    get(name: string): any | null;
    getAll(name: string): any[];
    has(name: string): boolean;
    set(name: string, value: string | Blob, fileName?: string): void;
    forEach(callbackfn: (value: any, key: string, parent: FormData) => void, thisArg?: any): void;
}