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diff --git a/ext/boost/asio/ip/resolver_query_base.hpp b/ext/boost/asio/ip/resolver_query_base.hpp
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+++ b/ext/boost/asio/ip/resolver_query_base.hpp
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+//
+// resolver_query_base.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff 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)
+//
+
+#ifndef BOOST_ASIO_IP_RESOLVER_QUERY_BASE_HPP
+#define BOOST_ASIO_IP_RESOLVER_QUERY_BASE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/push_options.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+#include <boost/config.hpp>
+#include <boost/detail/workaround.hpp>
+#include <boost/asio/detail/pop_options.hpp>
+
+#include <boost/asio/detail/socket_types.hpp>
+
+namespace boost {
+namespace asio {
+namespace ip {
+
+/// The resolver_query_base class is used as a base for the
+/// basic_resolver_query class templates to provide a common place to define
+/// the flag constants.
+class resolver_query_base
+{
+public:
+#if defined(GENERATING_DOCUMENTATION)
+  /// Determine the canonical name of the host specified in the query.
+  static const int canonical_name = implementation_defined;
+
+  /// Indicate that returned endpoint is intended for use as a locally bound
+  /// socket endpoint.
+  static const int passive = implementation_defined;
+
+  /// Host name should be treated as a numeric string defining an IPv4 or IPv6
+  /// address and no name resolution should be attempted.
+  static const int numeric_host = implementation_defined;
+
+  /// Service name should be treated as a numeric string defining a port number
+  /// and no name resolution should be attempted.
+  static const int numeric_service = implementation_defined;
+
+  /// If the query protocol family is specified as IPv6, return IPv4-mapped
+  /// IPv6 addresses on finding no IPv6 addresses.
+  static const int v4_mapped = implementation_defined;
+
+  /// If used with v4_mapped, return all matching IPv6 and IPv4 addresses.
+  static const int all_matching = implementation_defined;
+
+  /// Only return IPv4 addresses if a non-loopback IPv4 address is configured
+  /// for the system. Only return IPv6 addresses if a non-loopback IPv6 address
+  /// is configured for the system.
+  static const int address_configured = implementation_defined;
+#else
+  BOOST_STATIC_CONSTANT(int, canonical_name = AI_CANONNAME);
+  BOOST_STATIC_CONSTANT(int, passive = AI_PASSIVE);
+  BOOST_STATIC_CONSTANT(int, numeric_host = AI_NUMERICHOST);
+# if defined(AI_NUMERICSERV)
+  BOOST_STATIC_CONSTANT(int, numeric_service = AI_NUMERICSERV);
+# else
+  BOOST_STATIC_CONSTANT(int, numeric_service = 0);
+# endif
+  // Note: QNX Neutrino 6.3 defines AI_V4MAPPED, AI_ALL and AI_ADDRCONFIG but
+  // does not implement them. Therefore they are specifically excluded here.
+# if defined(AI_V4MAPPED) && !defined(__QNXNTO__)
+  BOOST_STATIC_CONSTANT(int, v4_mapped = AI_V4MAPPED);
+# else
+  BOOST_STATIC_CONSTANT(int, v4_mapped = 0);
+# endif
+# if defined(AI_ALL) && !defined(__QNXNTO__)
+  BOOST_STATIC_CONSTANT(int, all_matching = AI_ALL);
+# else
+  BOOST_STATIC_CONSTANT(int, all_matching = 0);
+# endif
+# if defined(AI_ADDRCONFIG) && !defined(__QNXNTO__)
+  BOOST_STATIC_CONSTANT(int, address_configured = AI_ADDRCONFIG);
+# else
+  BOOST_STATIC_CONSTANT(int, address_configured = 0);
+# endif
+#endif
+
+protected:
+  /// Protected destructor to prevent deletion through this type.
+  ~resolver_query_base()
+  {
+  }
+
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
+private:
+  // Workaround to enable the empty base optimisation with Borland C++.
+  char dummy_;
+#endif
+};
+
+} // namespace ip
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_IP_RESOLVER_QUERY_BASE_HPP