It is empty now.
#include "gdkkeys.h"
#include "gdkwindow.h"
#include "gdkinternals.h"
-#include "gdkmain.h"
#include "gdkbroadway-server.h"
#include "gdkmonitorprivate.h"
#include "gdkproperty.h"
-#include "gdkmain.h"
#include "gdkprivate.h"
#include "gdkinternals.h"
#include "gdkdisplay-broadway.h"
#include "config.h"
#include "gdkversionmacros.h"
-#include "gdkmain.h"
#include "gdkinternals.h"
#include "gdkintl.h"
#include <gdk/gdkglcontext.h>
#include <gdk/gdkkeys.h>
#include <gdk/gdkkeysyms.h>
-#include <gdk/gdkmain.h>
#include <gdk/gdkmonitor.h>
#include <gdk/gdkpango.h>
#include <gdk/gdkpixbuf.h>
#include "gdkkeys.h"
#include "gdkwindow.h"
#include "gdkinternals.h"
-#include "gdkmain.h"
G_BEGIN_DECLS
#include "gdkglcontextprivate.h"
#include "gdkwindow.h"
#include "gdkinternals.h"
-#include "gdkmain.h"
G_BEGIN_DECLS
#include "gdkdndprivate.h"
-#include "gdkmain.h"
#include "gdkinternals.h"
#include "gdkproperty.h"
#include "gdkprivate-wayland.h"
#include "gdkdisplayprivate.h"
#include "gdkwindow.h"
#include "gdkinternals.h"
-#include "gdkmain.h"
#include <epoxy/egl.h>
#include "gdkdisplayprivate.h"
#include "gdkwindow.h"
#include "gdkinternals.h"
-#include "gdkmain.h"
G_BEGIN_DECLS
#include "gdkkeys.h"
#include "gdkwindow.h"
#include "gdkinternals.h"
-#include "gdkmain.h"
#include <X11/X.h>
#include <X11/Xlib.h>
#include "gdkdndprivate.h"
#include "gdkdeviceprivate.h"
-#include "gdkmain.h"
#include "gdkinternals.h"
#include "gdkasync.h"
#include "gdkproperty.h"
#include "gdkx11visual.h"
#include "gdkwindow.h"
#include "gdkinternals.h"
-#include "gdkmain.h"
G_BEGIN_DECLS
#include "config.h"
#include "gdkproperty.h"
-#include "gdkmain.h"
#include "gdkprivate.h"
#include "gdkinternals.h"
#include "gdkselection.h"