public static @NotNull String replaceLineSeparatorsWithPunctuation(@Nullable String text) {
    if (StringUtil.isEmpty(text))
      return "";

    // Split by new line, removing empty lines and white-spaces at end of lines.
    String[] lines = StringUtil.splitByLines(text);

    // Join lines, ensuring each line end with a punctuation.
    final StringBuilder result = new StringBuilder();
    boolean first = true;
    for (String line : lines) {
      line = line.trim();
      if (!StringUtil.isEmpty(line)) {
        if (first)
          first = false;
        else
          result.append(PUNCTUATION_SEPARATOR);
        result.append(line);
        if (!line.endsWith(PUNCTUATION_CHARACTER)) {
          result.append(PUNCTUATION_CHARACTER);
        }
      }
    }
    return result.toString();
  }
public static @NotNull String replaceLineSeparatorsWithPunctuation(@Nullable String text)