/**
 * Encodes parameters in a [FormData](https://developer.mozilla.org/en-US/docs/Web/API/FormData) object in browsers or in a [FormData](https://github.com/form-data/form-data) in Node.js
 *
 * @param params An object to be encoded.
 * @returns The complete [FormData](https://developer.mozilla.org/en-US/docs/Web/API/FormData) object.
 */
export declare function encodeFormData(params: any, forceFormData?: boolean): FormData | string;