code: public long addAll(final String... members) {
          Map<String, Double> scoredMembers = new HashMap<>(members.length);
          for (String member : members) {
              scoredMembers.put(member, scoreProvider.getScore(member));
          }
          return addAll(scoredMembers);
      }
docs: Adds to this set all of the elements in the specified members array
  (Uses the configured {@link ScoreProvider} for assigning scores)
  @param members the members to add
  @return the number of members actually added