protected @NotNull IElementType getStandardLimitedHexCodedEscapeSeq(int offsetLimit) {
    for (int i = myStart + 2; i < myStart + offsetLimit; i++) {
      if (i >= myEnd || !StringUtil.isHexDigit(myBuffer.charAt(i))) return StringEscapesTokenTypes.INVALID_UNICODE_ESCAPE_TOKEN;
    }
    return StringEscapesTokenTypes.VALID_STRING_ESCAPE_TOKEN;
  }
protected @NotNull IElementType getStandardLimitedHexCodedEscapeSeq(int offsetLimit)