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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___FWD_ISTREAM_H
#define _LIBCPP___FWD_ISTREAM_H
#include <__config>
#include <__fwd/string.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_istream;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_iostream;
using istream = basic_istream<char>;
using iostream = basic_iostream<char>;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
using wistream = basic_istream<wchar_t>;
using wiostream = basic_iostream<wchar_t>;
#endif
template <class _CharT, class _Traits>
class _LIBCPP_PREFERRED_NAME(istream) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wistream)) basic_istream;
template <class _CharT, class _Traits>
class _LIBCPP_PREFERRED_NAME(iostream) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wiostream)) basic_iostream;
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___FWD_ISTREAM_H
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