code: public List<String> splitWithDefaultSplitStrategy(String input) {
          if (input == null) {
              throw new NullPointerException(makeNullArgumentErrorMsg("input"));
          }
          return defaultSplitStrategy().split(input, IGNORED);
      }
docs: Gives access to the default split strategy, which splits
  the {@code input} String by using a comma (,).
  <p>
  
  @param input String to split.
  @return List of substrings of the input string
  @throws NullPointerException if {@code input} argument is null.