@NotNull
  static OptDropdown defaultEncodingDropDown() {
    return dropdown("myDefaultEncoding", PyPsiBundle.message("INSP.mandatory.encoding.label.select.default.encoding"),
                    Arrays.asList(PyEncodingUtil.POSSIBLE_ENCODINGS), Function.identity(), Function.identity());
  }
@NotNull
  static OptDropdown defaultEncodingDropDown()