docs: @Override
    public int serializedSizeInBytes() {
      int count = headerSize();
      // for each container, we store cardinality (16 bits), key (16 bits) and location offset (32
      // bits).
      for (int k = 0; k < this.size; ++k) {
        count += values[k].getArraySizeInBytes();
      }
      return count;
    }