ensureTableCapacity(dedupedElements.length);
          E elem = dedupedElements[0];
          distinct--;
          return insertInHashTable(elem).add(e);
        }
      }
      return insertInHashTable(e);
    }

    private SetBuilderImpl<E> insertInHashTable(E e) {
      requireNonNull(hashTable);
      int eHash = e.hashCode();
      int i0 = Hashing.smear(eHash);