// { dg-do compile }
// { dg-require-normal-namespace "" }

// Copyright (C) 2007-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

#include <sstream>

namespace std {
_GLIBCXX_BEGIN_NAMESPACE_CXX11
  template <class charT, class traits, class Allocator>
    class basic_stringbuf;
  typedef basic_stringbuf<char>     stringbuf;
  typedef basic_stringbuf<wchar_t> wstringbuf;

  template <class charT, class traits, class Allocator>
    class basic_istringstream;
  typedef basic_istringstream<char>     istringstream;
  typedef basic_istringstream<wchar_t> wistringstream;

  template <class charT, class traits, class Allocator>
    class basic_ostringstream;
  typedef basic_ostringstream<char>     ostringstream;
  typedef basic_ostringstream<wchar_t> wostringstream;

  template <class charT, class traits, class Allocator>
    class basic_stringstream;
  typedef basic_stringstream<char>     stringstream;
  typedef basic_stringstream<wchar_t> wstringstream;
_GLIBCXX_END_NAMESPACE_CXX11
}