docs: private void fillBuckets(SparseIntArray bucketSizes) {
      mBuckets.clear();
      for (int i = 0; i < bucketSizes.size(); ++i) {
        final int bucketSize = bucketSizes.keyAt(i);
        final int maxLength = bucketSizes.valueAt(i);
        mBuckets.put(
            bucketSize,
            new Bucket<V>(
                getSizeInBytes(bucketSize), maxLength, 0, mPoolParams.fixBucketsReinitialization));
      }
    }