docs: public static String justify( Justify justify,
                                    String str,
                                    final int width,
                                    char padWithChar ) {
          switch (justify) {
              case LEFT:
                  return justifyLeft(str, width, padWithChar);
              case RIGHT:
                  return justifyRight(str, width, padWithChar);
              case CENTER:
                  return justifyCenter(str, width, padWithChar);
          }
          assert false;
          return null;
      }