dbms: development [#CONV-2944].

dbms/include/DB/DataStreams/BlockIO.h

+#pragma once
+
+#include <DB/DataStreams/IBlockInputStream.h>
+#include <DB/DataStreams/IBlockOutputStream.h>
+
+
+namespace DB
+{
+
+struct BlockIO
+{
+	BlockInputStreamPtr in;
+	BlockOutputStreamPtr out;
+};
+
+}