* using a secondary hash (Marsaglia XorShift) to try to find a
   * free slot.
   *
   * The table size is capped because, when there are more threads
   * than CPUs, supposing that each thread were bound to a CPU,
   * there would exist a perfect hash function mapping threads to
   * slots that eliminates collisions. When we reach capacity, we

   * using a secondary hash (Marsaglia XorShift) to try to find a
   * free slot.
   *
   * The table size is capped because, when there are more threads
   * than CPUs, supposing that each thread were bound to a CPU,
   * there would exist a perfect hash function mapping threads to
   * slots that eliminates collisions. When we reach capacity, we

  E copyEntry(E original, E newNext) {
    int hash = original.getHash();
    return segmentFor(hash).copyEntry(original, newNext);
  }

  int hash(Object key) {
    int h = keyEquivalence.hash(key);
    return rehash(h);
  }

  void reclaimValue(WeakValueReference<K, V, E> valueReference) {
    E entry = valueReference.getEntry();
    int hash = entry.getHash();

  E copyEntry(E original, E newNext) {
    int hash = original.getHash();
    return segmentFor(hash).copyEntry(original, newNext);
  }

  int hash(Object key) {
    int h = keyEquivalence.hash(key);
    return rehash(h);
  }

  void reclaimValue(WeakValueReference<K, V, E> valueReference) {
    E entry = valueReference.getEntry();
    int hash = entry.getHash();

  }

  /**
   * Applies a supplemental hash function to a given hash code, which defends against poor quality
   * hash functions. This is critical when the concurrent hash map uses power-of-two length hash
   * tables, that otherwise encounter collisions for hash codes that do not differ in lower or upper
   * bits.
   *
   * @param h hash code
   */
  static int rehash(int h) {

            dstIndex += blob.length;
        } else {
            System.arraycopy( lmHash, 0, dst, dstIndex, lmHash.length );
            dstIndex += lmHash.length;
            System.arraycopy( ntHash, 0, dst, dstIndex, ntHash.length );
            dstIndex += ntHash.length;
    
            dstIndex += writeString( accountName, dst, dstIndex );

            dstIndex += this.blob.length;
        }
        else {
            System.arraycopy(this.lmHash, 0, dst, dstIndex, this.lmHash.length);
            dstIndex += this.lmHash.length;
            System.arraycopy(this.ntHash, 0, dst, dstIndex, this.ntHash.length);
            dstIndex += this.ntHash.length;

            dstIndex += writeString(this.accountName, dst, dstIndex);

	hash := hashPath(path)
	if d.Cache == nil {
		d.Cache = make(map[string]dataUsageEntry, 100)
	}
	d.Cache[hash.Key()] = e
	if parent != "" {
		phash := hashPath(parent)
		p := d.Cache[phash.Key()]
		p.addChild(hash)
		d.Cache[phash.Key()] = p
	}
}

// replaceHashed add or replaces an entry to the cache based on its hash.

            K oldKey = delegate.key;
            int keyHash = smearedHash(key);
            if (keyHash == delegate.keyHash && Objects.equal(key, oldKey)) {
              return key;
            }
            checkArgument(seekByKey(key, keyHash) == null, "value already present: %s", key);
            delete(delegate);
            BiEntry<K, V> newEntry =
                new BiEntry<>(key, keyHash, delegate.value, delegate.valueHash);

    size--;
    modCount++;
  }

  /** Removes the entry at the specified index, given the hash of its key. */
  void removeEntryKeyHashKnown(int entry, int keyHash) {
    removeEntry(entry, keyHash, Hashing.smearedHash(values[entry]));
  }

  /** Removes the entry at the specified index, given the hash of its value. */
  void removeEntryValueHashKnown(int entry, int valueHash) {