text: //! \file Gosu.hpp
  //! Umbrella header for all of Gosu.
  
  //! \mainpage Gosu C++ Documentation
  //!
  //! These pages serve as a reference on the C++ interface of Gosu. For a higher-level
  //! discussion of concepts and ideas behind the library, see the Wiki entries linked
  //! from the official website, https://www.libgosu.org/.
  
  #pragma once
  
  #include "Audio.hpp"
  #include "Bitmap.hpp"
  #include "Color.hpp"
  #include "Directories.hpp"
  #include "Font.hpp"
  #include "Graphics.hpp"
  #include "Image.hpp"
  #include "ImageData.hpp"
  #include "Input.hpp"
  #include "Inspection.hpp"
  #include "IO.hpp"
  #include "Math.hpp"
  #include "Platform.hpp"
  #include "Text.hpp"
  #include "TextInput.hpp"
  #include "Timing.hpp"
  #include "Utility.hpp"
  #include "Version.hpp"
  #include "Window.hpp"
  