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diff --git a/intl/icu/source/io/unicode/ustream.h b/intl/icu/source/io/unicode/ustream.h
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+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+**********************************************************************
+*   Copyright (C) 2001-2014 International Business Machines
+*   Corporation and others.  All Rights Reserved.
+**********************************************************************
+*  FILE NAME : ustream.h
+*
+*   Modification History:
+*
+*   Date        Name        Description
+*   06/25/2001  grhoten     Move iostream from unistr.h
+******************************************************************************
+*/
+
+#ifndef USTREAM_H
+#define USTREAM_H
+
+#include "unicode/utypes.h"
+
+#if U_SHOW_CPLUSPLUS_API
+
+#include "unicode/unistr.h"
+
+#if !UCONFIG_NO_CONVERSION  // not available without conversion
+
+/**
+ * \file
+ * \brief C++ API: Unicode iostream like API
+ *
+ * At this time, this API is very limited. It contains
+ * operator<< and operator>> for UnicodeString manipulation with the
+ * C++ I/O stream API.
+ */
+
+#if defined(__GLIBCXX__)
+namespace std { class type_info; } // WORKAROUND: http://llvm.org/bugs/show_bug.cgi?id=13364
+#endif
+
+#include <iostream>
+
+U_NAMESPACE_BEGIN
+
+/**
+ * Write the contents of a UnicodeString to a C++ ostream. This functions writes
+ * the characters in a UnicodeString to an ostream. The UChars in the
+ * UnicodeString are converted to the char based ostream with the default
+ * converter.
+ * @stable 3.0
+ */
+U_IO_API std::ostream & U_EXPORT2 operator<<(std::ostream& stream, const UnicodeString& s);
+
+/**
+ * Write the contents from a C++ istream to a UnicodeString. The UChars in the
+ * UnicodeString are converted from the char based istream with the default
+ * converter.
+ * @stable 3.0
+ */
+U_IO_API std::istream & U_EXPORT2 operator>>(std::istream& stream, UnicodeString& s);
+U_NAMESPACE_END
+
+#endif
+
+/* No operator for UChar because it can conflict with wchar_t  */
+
+#endif /* U_SHOW_CPLUSPLUS_API */
+
+#endif