#pragma once
#include <string>
#include <ostream>
#include "ast/ast.h"
std::ostream &marshal(std::ostream &os, expr_ref e, ast_manager &m);
std::string marshal(expr_ref e, ast_manager &m);
expr_ref unmarshal(std::string s, ast_manager &m);
expr_ref unmarshal(std::istream &is, ast_manager &m);