#pragma GCC system_header

#ifndef _LIBCXX_IOSFWD
#define _LIBCXX_IOSFWD

#include <__config>
#include <string>

_LIBCXX_BEGIN_NAMESPACE_STD

class ios_base;

template <typename CharT, typename Traits = char_traits<CharT>>
class basic_ios;

template <typename CharT, typename Traits = char_traits<CharT>>
class basic_streambuf;

_LIBCXX_END_NAMESPACE_STD

#endif // _LIBCXX_IOSFWD