1#pragma once
2#include <iostream>
3
4namespace DB
5{
6struct Token;
7std::ostream & operator<<(std::ostream & stream, const Token & what);
8
9struct Expected;
10std::ostream & operator<<(std::ostream & stream, const Expected & what);
11
12class IAST;
13std::ostream & operator<<(std::ostream & stream, const IAST & what);
14
15}
16
17#include <Core/iostream_debug_helpers.h>
18