text: // Copyright 2018-present MongoDB Inc.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  // http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  #pragma once
  
  #include <bsoncxx/document/view.hpp>
  #include <bsoncxx/stdx/string_view.hpp>
  
  #include <mongocxx/config/prelude.hpp>
  
  namespace mongocxx {
  MONGOCXX_INLINE_NAMESPACE_BEGIN
  
  namespace events {
  
  ///
  /// An event notification sent when the driver completes a "hello" command to check the status
  /// of a server.
  ///
  /// @see "ServerHeartbeatSucceededEvent" in
  /// https://github.com/mongodb/specifications/blob/master/source/server-discovery-and-monitoring/server-discovery-and-monitoring-monitoring.rst
  ///
  class MONGOCXX_API heartbeat_succeeded_event {
     public:
      MONGOCXX_PRIVATE explicit heartbeat_succeeded_event(const void* event);
  
      ///
      /// Destroys a heartbeat_succeeded_event.
      ///
      ~heartbeat_succeeded_event();
  
      ///
      /// Returns the server reply for the succeeded operation.
      ///
      /// @return The reply.
      ///
      bsoncxx::document::view reply() const;
  
      ///
      /// Returns the duration of the successful operation.
      ///
      /// @return The duration in microseconds.
      ///
      std::int64_t duration() const;
  
      ///
      /// Returns the host name.
      ///
      /// @return The host name.
      ///
      bsoncxx::stdx::string_view host() const;
  
      ///
      /// Returns the port.
      ///
      /// @return The port.
      ///
      std::uint16_t port() const;
  
      ///
      /// Returns a boolean indicating whether this heartbeat event is from an awaitable hello.
      ///
      /// @return A boolean.
      ///
      bool awaited() const;
  
     private:
      const void* _succeeded_event;
  };
  
  }  // namespace events
  MONGOCXX_INLINE_NAMESPACE_END
  }  // namespace mongocxx
  
  #include <mongocxx/config/postlude.hpp>
  