public static String convertTabs(@Nls String text, final int tabLength) {
    @Nls StringBuilder buf = new StringBuilder(text.length());
    for (int idx = 0; idx < text.length(); idx++) {
      char ch = text.charAt(idx);
      if (ch == '\t') {
        for (int i = 0; i < tabLength; i++) buf.append(' ');
      }
      else {
        buf.append(ch);
      }
    }
    return buf.toString();
  }
public static String convertTabs(@Nls String text, final int tabLength)