1#pragma once
2
3#include <memory>
4#include <vector>
5
6namespace DB
7{
8
9class IBlockInputStream;
10class IBlockOutputStream;
11
12using BlockInputStreamPtr = std::shared_ptr<IBlockInputStream>;
13using BlockInputStreams = std::vector<BlockInputStreamPtr>;
14using BlockOutputStreamPtr = std::shared_ptr<IBlockOutputStream>;
15
16}
17