text: ////////////////////////////////////////////////////////////
  //
  // SFML - Simple and Fast Multimedia Library
  // Copyright (C) 2007-2022 Laurent Gomila (laurent@sfml-dev.org)
  //
  // This software is provided 'as-is', without any express or implied warranty.
  // In no event will the authors be held liable for any damages arising from the use of this software.
  //
  // Permission is granted to anyone to use this software for any purpose,
  // including commercial applications, and to alter it and redistribute it freely,
  // subject to the following restrictions:
  //
  // 1. The origin of this software must not be misrepresented;
  //    you must not claim that you wrote the original software.
  //    If you use this software in a product, an acknowledgment
  //    in the product documentation would be appreciated but is not required.
  //
  // 2. Altered source versions must be plainly marked as such,
  //    and must not be misrepresented as being the original software.
  //
  // 3. This notice may not be removed or altered from any source distribution.
  //
  ////////////////////////////////////////////////////////////
  
  #ifndef SFML_SENSORIMPLOSX_HPP
  #define SFML_SENSORIMPLOSX_HPP
  
  
  namespace sf
  {
  namespace priv
  {
  ////////////////////////////////////////////////////////////
  /// \brief Mac OS X implementation of sensors
  ///
  ////////////////////////////////////////////////////////////
  class SensorImpl
  {
  public:
  
      ////////////////////////////////////////////////////////////
      /// \brief Perform the global initialization of the sensor module
      ///
      ////////////////////////////////////////////////////////////
      static void initialize();
  
      ////////////////////////////////////////////////////////////
      /// \brief Perform the global cleanup of the sensor module
      ///
      ////////////////////////////////////////////////////////////
      static void cleanup();
  
      ////////////////////////////////////////////////////////////
      /// \brief Check if a sensor is available
      ///
      /// \param sensor Sensor to check
      ///
      /// \return True if the sensor is available, false otherwise
      ///
      ////////////////////////////////////////////////////////////
      static bool isAvailable(Sensor::Type sensor);
  
      ////////////////////////////////////////////////////////////
      /// \brief Open the sensor
      ///
      /// \param sensor Type of the sensor
      ///
      /// \return True on success, false on failure
      ///
      ////////////////////////////////////////////////////////////
      [[nodiscard]] bool open(Sensor::Type sensor);
  
      ////////////////////////////////////////////////////////////
      /// \brief Close the sensor
      ///
      ////////////////////////////////////////////////////////////
      void close();
  
      ////////////////////////////////////////////////////////////
      /// \brief Update the sensor and get its new value
      ///
      /// \return Sensor value
      ///
      ////////////////////////////////////////////////////////////
      [[nodiscard]] Vector3f update();
  
      ////////////////////////////////////////////////////////////
      /// \brief Enable or disable the sensor
      ///
      /// \param enabled True to enable, false to disable
      ///
      ////////////////////////////////////////////////////////////
      void setEnabled(bool enabled);
  };
  
  } // namespace priv
  
  } // namespace sf
  
  
  #endif // SFML_SENSORIMPLOSX_HPP
  