@Benchmark
  int time(int reps) {
    int dummy = 0;
    AtomicReferenceArray<ReferenceEntry<Object, Object>> oldTable = segment.table;
    for (int i = 0; i < reps; i++) {
      // TODO(b/145386688): This access should be guarded by 'this.segment', which is not currently
      // held
      segment.expand();
      segment.table = oldTable;
      dummy += segment.count;
    }
    return dummy;
  }

      CompactHashing.tableSet(newTable, targetHash & newMask, targetEntryIndex + 1);
    }

    Object oldTable = requireTable();
    int[] entries = requireEntries();

    // Loop over `oldTable` to construct its replacement, ``newTable`. The entries do not move, so
    // the `keys` and `values` arrays do not need to change. But because the "short hash" now has a

    /**
     * Ensures capacity when the size exceeds the threshold.
     */
    protected void ensureCapacity() {
        if (size >= threshold) {
            final Entry<K, V>[] oldTable = listTable;
            final int newCapacity = oldTable.length * 2 + 1;
            @SuppressWarnings("unchecked")
            final Entry<K, V>[] newMapTable = new Entry[newCapacity];
            @SuppressWarnings("unchecked")

      CompactHashing.tableSet(newTable, targetHash & newMask, targetEntryIndex + 1);
    }

    Object oldTable = requireTable();
    int[] entries = requireEntries();

    // Loop over current hashtable
    for (int oldTableIndex = 0; oldTableIndex <= oldMask; oldTableIndex++) {
      int oldNext = CompactHashing.tableGet(oldTable, oldTableIndex);
      while (oldNext != UNSET) {
        int entryIndex = oldNext - 1;

      CompactHashing.tableSet(newTable, targetHash & newMask, targetEntryIndex + 1);
    }

    Object oldTable = requireTable();
    int[] entries = requireEntries();

    // Loop over `oldTable` to construct its replacement, ``newTable`. The entries do not move, so
    // the `keys` and `values` arrays do not need to change. But because the "short hash" now has a

      Arrays.fill(entries, oldCapacity, newCapacity, UNSET);
    }
    this.entries = entries;
  }

  private void resizeTable(int newCapacity) { // newCapacity always a power of two
    int[] oldTable = table;
    int oldCapacity = oldTable.length;
    if (oldCapacity >= MAXIMUM_CAPACITY) {
      threshold = Integer.MAX_VALUE;
      return;
    }
    int newThreshold = 1 + (int) (newCapacity * loadFactor);

      CompactHashing.tableSet(newTable, targetHash & newMask, targetEntryIndex + 1);
    }

    Object oldTable = requireTable();
    int[] entries = requireEntries();

    // Loop over current hashtable
    for (int oldTableIndex = 0; oldTableIndex <= oldMask; oldTableIndex++) {
      int oldNext = CompactHashing.tableGet(oldTable, oldTableIndex);
      while (oldNext != UNSET) {
        int entryIndex = oldNext - 1;

      } finally {
        unlock();
      }
    }

    /** Expands the table if possible. */
    @GuardedBy("this")
    void expand() {
      AtomicReferenceArray<E> oldTable = table;
      int oldCapacity = oldTable.length();
      if (oldCapacity >= MAXIMUM_CAPACITY) {
        return;
      }

      /*

      } finally {
        unlock();
      }
    }

    /** Expands the table if possible. */
    @GuardedBy("this")
    void expand() {
      AtomicReferenceArray<E> oldTable = table;
      int oldCapacity = oldTable.length();
      if (oldCapacity >= MAXIMUM_CAPACITY) {
        return;
      }

      /*

        postWriteCleanup();
      }
    }

    /** Expands the table if possible. */
    @GuardedBy("this")
    void expand() {
      AtomicReferenceArray<ReferenceEntry<K, V>> oldTable = table;
      int oldCapacity = oldTable.length();
      if (oldCapacity >= MAXIMUM_CAPACITY) {
        return;
      }

      /*