code: @NullSafe
    public static String pad(String value, int length) {
      return pad(value, SINGLE_SPACE_CHAR, length);
    }
docs: Pads the given String with the specified number of spaces to the right.
  
  @param value the String to pad.
  @param length the total length of the given String with padding.
  @return the given String padded with spaces up to the specified length.
  @see #pad(String, char, int)