import FormData from "form-data";
export declare const FormDataUtils: {
    /**
     * Prepare form data from the given data object
     * @param data - The data object to be converted to form data.
     * @param blobKeys - The keys of the data object that contain binary data.
     * @returns A FormData object.
     * @throws {Error} If the binary data is invalid.
     *
     */
    prepareFormData<T extends object>(data: T, blobKeys?: string[]): Promise<FormData>;
};