* 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

	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.

    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) {

        // Verify hash is not null
        byte[] hash = transport.getPreauthIntegrityHash();
        assertNotNull(hash);

        // Verify hash is a copy, not the original
        byte[] hash2 = transport.getPreauthIntegrityHash();
        assertNotSame(hash, hash2);
        assertArrayEquals(hash, hash2);
    }

    /**
     * Test that pre-auth hash is reset on error
     */
    @Test

    // count == 0
    segment.setTableEntryForTesting(index, entry);
    assertNull(segment.get(key, hash));
    assertFalse(segment.containsKey(key, hash));
    assertFalse(segment.containsValue(value));

    // count == 1
    segment.count++;
    assertSame(value, segment.get(key, hash));
    assertTrue(segment.containsKey(key, hash));
    assertTrue(segment.containsValue(value));

    // count == 0
    segment.setTableEntryForTesting(index, entry);
    assertNull(segment.get(key, hash));
    assertFalse(segment.containsKey(key, hash));
    assertFalse(segment.containsValue(value));

    // count == 1
    segment.count++;
    assertSame(value, segment.get(key, hash));
    assertTrue(segment.containsKey(key, hash));
    assertTrue(segment.containsValue(value));

  }

  /**
   * Implemented by the user to return a hash code for {@code t}, subject to the requirements
   * specified in {@link #hash}.
   *
   * <p>This method should not be called except by {@link #hash}. When {@link #hash} calls this
   * method, {@code t} is guaranteed to be non-null.
   *
   * @since 10.0 (previously, subclasses would override hash())
   */
  @ForOverride

}

type expiryOp interface {
	OpHash() uint64
}

type freeVersionTask struct {
	ObjectInfo
}

func (f freeVersionTask) OpHash() uint64 {
	return xxh3.HashString(f.TransitionedObject.Tier + f.TransitionedObject.Name)
}

func (n noncurrentVersionsTask) OpHash() uint64 {
	return xxh3.HashString(n.bucket + n.versions[0].ObjectName)
}

func (j jentry) OpHash() uint64 {

                return currentHash.clone();
            }
        }

        public void updateHash(byte[] newHash) {
            synchronized (hashLock) {
                if (newHash != null && newHash.length == currentHash.length) {
                    this.currentHash = newHash.clone();
                }
            }
        }

        public boolean isValid() {
            return isValid;
        }

                break;
            default:
                md4.update(ntHash);
                md4.digest(dest, offset, 16);
                break;
            }
        } catch (Exception e) {
            throw new SmbException("", e);
        }
    }

    /**
     * Get the NT hash of the password
     *
     * @return the NT hash
     */
    protected byte[] getNTHash() {