code: public static FormData data(String name, String plainTextValue) {
  		return data(name, content(plainTextValue));
  	}
docs: Create a plain/text form data entry for a multipart form.
  
  @param name
  the name of the control of the form
  @param plainTextValue
  the plain text value
  @return the FormData part used in a multipart/form-data upload