private @NotNull String convertTextToCRLF(@NotNull String text) {
    if (text.isEmpty()) return text;
    // Handle the case when \r and \n are in different chunks: "text1 \r" and "\n text2"
    boolean preserveFirstLF = text.startsWith(LineSeparator.LF.getSeparatorString()) && myLastCR;
    boolean preserveLastCR = text.endsWith(LineSeparator.CR.getSeparatorString());
    myLastCR = preserveLastCR;
    String textToConvert = text.substring(preserveFirstLF ? 1 : 0, preserveLastCR ? text.length() - 1 : text.length());
    String textCRLF = StringUtil.convertLineSeparators(textToConvert, LineSeparator.CRLF.getSeparatorString());
    if (preserveFirstLF) {
      textCRLF = LineSeparator.LF.getSeparatorString() + textCRLF;
    }
    if (preserveLastCR) {
      textCRLF += LineSeparator.CR.getSeparatorString();
    }
    return textCRLF;
  }
private @NotNull String convertTextToCRLF(@NotNull String text)