private void parseFStringFragmentFormatPart() {
    if (atToken(PyTokenTypes.FSTRING_FRAGMENT_FORMAT_START)) {
      final SyntaxTreeBuilder.Marker marker = myContext.getBuilder().mark();
      nextToken();
      while (true) {
        if (atAnyOfTokens(PyTokenTypes.FSTRING_TEXT_TOKENS)) {
          nextToken();
        }
        else if (atToken(PyTokenTypes.FSTRING_FRAGMENT_START)) {
          parseFStringFragment();
        }
        else {
          break;
        }
      }
      marker.done(PyElementTypes.FSTRING_FRAGMENT_FORMAT_PART);
    }
  }
private void parseFStringFragmentFormatPart()