fun String.isValidIndex(index: Int) = index in indices

                check(text.isValidIndex(offset))

                val realStartIndex = offset + offsetRelativeIndexRange.first
                check(text.isValidIndex(realStartIndex))

                val realEndIndex = offset + offsetRelativeIndexRange.last
                check(text.isValidIndex(realEndIndex))

        if (protwordsItemList == null) {
            reload(null);
        }

        if (offset >= protwordsItemList.size() || offset < 0) {
            return new PagingList<>(Collections.<ProtwordsItem> emptyList(), offset, size, protwordsItemList.size());
        }

        int toIndex = offset + size;
        if (toIndex > protwordsItemList.size()) {

        if (stopwordsItemList == null) {
            reload(null);
        }

        if (offset >= stopwordsItemList.size() || offset < 0) {
            return new PagingList<>(Collections.<StopwordsItem> emptyList(), offset, size, stopwordsItemList.size());
        }

        int toIndex = offset + size;
        if (toIndex > stopwordsItemList.size()) {

    device_costs[kv.second] = cost;
  }
  return device_costs;
}

flatbuffers::Offset<SubgraphMetadata> CreateSubgraphMetadata(
    const std::map<std::string, uint8_t>& hardware_map, mlir::Region* Region,
    flatbuffers::FlatBufferBuilder* builder) {
  auto& block = Region->front();
  int index = 0;
  std::vector<flatbuffers::Offset<tflite::OpMetadata>> ops;
  for (auto& inst : block) {

        }
        return start;
    }

    @Override
    public int getOffset() {
        if (offset == null) {
            offset = 0;
        }
        return offset;
    }

    @Override
    public int getPageSize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (num == null) {

        }
        return start;
    }

    @Override
    public int getOffset() {
        if (offset == null) {
            offset = 0;
        }
        return offset;
    }

    @Override
    public int getPageSize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (num == null) {

        bufferedInputStream = new ResettableBufferedInputStream(new RandomAccessFileInputStream(file));
    }

    /**
     * Starts reading from the given offset.
     */
    public DataInputStream start(long offset) throws IOException {
        file.seek(offset);
        bufferedInputStream.clear();
        countingInputStream = new CountingInputStream(bufferedInputStream);
        return new DataInputStream(countingInputStream);

	// Use binary search to find the start offset of this line.
	//
	// TODO(adonovan): eventually replace this function with the
	// simpler and more efficient (*go/token.File).LineStart, added
	// in go1.12.

	min := 0        // inclusive
	max := f.Size() // exclusive
	for {
		offset := (min + max) / 2
		pos := f.Pos(offset)
		posn := f.Position(pos)
		if posn.Line == line {

    }

    @Override
    public void write(byte[] bytes) throws IOException {
        file.write(bytes);
    }

    @Override
    public void write(byte[] bytes, int offset, int length) throws IOException {
        file.write(bytes, offset, length);
    }

    }

    /**
     * Starts writing to the given offset. Can be beyond the current length of the file.
     */
    public DataOutputStream start(long offset) throws IOException {
        file.seek(offset);
        bufferedOutputStream.clear();
        countingOutputStream = new CountingOutputStream(bufferedOutputStream);