code: @Deprecated
    public static Parser<Void> among(String chars, String name) {
      return isChar(CharPredicates.among(chars), name);
    }
docs: A scanner that succeeds and consumes the current character if it equals to any character in
  {@code chars}.
  
  @param chars the characters.
  @param name the name of what's expected logically. Is used in error message.
  @return the scanner.
  @deprecated Use {@code Patterns.among(chars).toScanner(name)}.