protected final void addIt(int prime, int prime2) {
    for (int i = 0; i < myHashFunctionCount; ++i) {
      int abs = Math.abs((i * prime + prime2 * (myHashFunctionCount - i)) % myBitsCount);
      elementSet[abs >> BITS_PER_ELEMENT] |= (1L << abs);
    }
  }
protected final void addIt(int prime, int prime2)