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diff --git a/boost/beast/http/status.hpp b/boost/beast/http/status.hpp
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+//
+// Copyright (c) 2016-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// Official repository: https://github.com/boostorg/beast
+//
+
+#ifndef BOOST_BEAST_HTTP_STATUS_HPP
+#define BOOST_BEAST_HTTP_STATUS_HPP
+
+#include <boost/beast/core/detail/config.hpp>
+#include <boost/beast/core/string.hpp>
+#include <iosfwd>
+
+namespace boost {
+namespace beast {
+namespace http {
+
+enum class status : unsigned
+{
+    /** An unknown status-code.
+
+        This value indicates that the value for the status code
+        is not in the list of commonly recognized status codes.
+        Callers interested in the exactly value should use the
+        interface which provides the raw integer.
+    */
+    unknown = 0,
+
+    continue_                           = 100,
+    switching_protocols                 = 101,
+    processing                          = 102,
+
+    ok                                  = 200,
+    created                             = 201,
+    accepted                            = 202,
+    non_authoritative_information       = 203,
+    no_content                          = 204,
+    reset_content                       = 205,
+    partial_content                     = 206,
+    multi_status                        = 207,
+    already_reported                    = 208,
+    im_used                             = 226,
+
+    multiple_choices                    = 300,
+    moved_permanently                   = 301,
+    found                               = 302,
+    see_other                           = 303,
+    not_modified                        = 304,
+    use_proxy                           = 305,
+    temporary_redirect                  = 307,
+    permanent_redirect                  = 308,
+
+    bad_request                         = 400,
+    unauthorized                        = 401,
+    payment_required                    = 402,
+    forbidden                           = 403,
+    not_found                           = 404,
+    method_not_allowed                  = 405,
+    not_acceptable                      = 406,
+    proxy_authentication_required       = 407,
+    request_timeout                     = 408,
+    conflict                            = 409,
+    gone                                = 410,
+    length_required                     = 411,
+    precondition_failed                 = 412,
+    payload_too_large                   = 413,
+    uri_too_long                        = 414,
+    unsupported_media_type              = 415,
+    range_not_satisfiable               = 416,
+    expectation_failed                  = 417,
+    misdirected_request                 = 421,
+    unprocessable_entity                = 422,
+    locked                              = 423,
+    failed_dependency                   = 424,
+    upgrade_required                    = 426,
+    precondition_required               = 428,
+    too_many_requests                   = 429,
+    request_header_fields_too_large     = 431,
+    connection_closed_without_response  = 444,
+    unavailable_for_legal_reasons       = 451,
+    client_closed_request               = 499,
+
+    internal_server_error               = 500,
+    not_implemented                     = 501,
+    bad_gateway                         = 502,
+    service_unavailable                 = 503,
+    gateway_timeout                     = 504,
+    http_version_not_supported          = 505,
+    variant_also_negotiates             = 506,
+    insufficient_storage                = 507,
+    loop_detected                       = 508,
+    not_extended                        = 510,
+    network_authentication_required     = 511,
+    network_connect_timeout_error       = 599
+};
+
+/** Represents the class of a status-code.
+*/
+enum class status_class : unsigned
+{
+    /// Unknown status-class
+    unknown = 0,
+
+    /// The request was received, continuing processing.
+    informational = 1,
+
+    /// The request was successfully received, understood, and accepted.
+    successful = 2,
+
+    /// Further action needs to be taken in order to complete the request.
+    redirection = 3,
+
+    /// The request contains bad syntax or cannot be fulfilled.
+    client_error = 4,
+
+    /// The server failed to fulfill an apparently valid request.
+    server_error = 5,
+};
+
+/** Converts the integer to a known status-code.
+
+    If the integer does not match a known status code,
+    @ref status::unknown is returned.
+*/
+status
+int_to_status(unsigned v);
+
+/** Convert an integer to a status_class.
+
+    @param v The integer representing a status code.
+
+    @return The status class. If the integer does not match
+    a known status class, @ref status_class::unknown is returned.
+*/
+status_class
+to_status_class(unsigned v);
+
+/** Convert a status_code to a status_class.
+
+    @param v The status code to convert.
+
+    @return The status class.
+*/
+status_class
+to_status_class(status v);
+
+/** Returns the obsolete reason-phrase text for a status code.
+
+    @param v The status code to use.
+*/
+string_view
+obsolete_reason(status v);
+
+/// Outputs the standard reason phrase of a status code to a stream.
+std::ostream&
+operator<<(std::ostream&, status);
+
+} // http
+} // beast
+} // boost
+
+#include <boost/beast/http/impl/status.ipp>
+
+#endif