@Contract(pure = true)
  public static boolean isQuotedString(@NotNull String s) {
    int length = s.length();
    if (length <= 1) return false;
    char firstChar = s.charAt(0);
    if (firstChar != '\'' && firstChar != '\"') return false;
    return firstChar == s.charAt(length - 1);
  }
@Contract(pure = true)
  public static boolean isQuotedString(@NotNull String s)