Add missing "We mean it" comments to private headers.

Change-Id: I70c01453b3939d1d645d626ae84c21ab4c9d267a
Reviewed-by: Giulio Camuffo <giulio.camuffo@jollamobile.com>

79 files changed, 869 insertions, 0 deletions

diff --git a/src/client/hardwareintegration/qwaylandclientbufferintegration_p.h b/src/client/hardwareintegration/qwaylandclientbufferintegration_p.h
index 9a38b6d2f..9534934fa 100644
--- a/src/client/hardwareintegration/qwaylandclientbufferintegration_p.h
+++ b/src/client/hardwareintegration/qwaylandclientbufferintegration_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDCLIENTBUFFERINTEGRATION_H
 #define QWAYLANDCLIENTBUFFERINTEGRATION_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qglobal.h>
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 
diff --git a/src/client/hardwareintegration/qwaylandclientbufferintegrationfactory_p.h b/src/client/hardwareintegration/qwaylandclientbufferintegrationfactory_p.h
index 24063c2b9..54590a29a 100644
--- a/src/client/hardwareintegration/qwaylandclientbufferintegrationfactory_p.h
+++ b/src/client/hardwareintegration/qwaylandclientbufferintegrationfactory_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDCLIENTBUFFERINTEGRATIONFACTORY_H
 #define QWAYLANDCLIENTBUFFERINTEGRATIONFACTORY_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 #include <QtCore/QStringList>
 
diff --git a/src/client/hardwareintegration/qwaylandclientbufferintegrationplugin_p.h b/src/client/hardwareintegration/qwaylandclientbufferintegrationplugin_p.h
index f2c0bc08d..dae7aa009 100644
--- a/src/client/hardwareintegration/qwaylandclientbufferintegrationplugin_p.h
+++ b/src/client/hardwareintegration/qwaylandclientbufferintegrationplugin_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDCLIENTBUFFERINTEGRATIONPLUGIN_H
 #define QWAYLANDCLIENTBUFFERINTEGRATIONPLUGIN_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 
 #include <QtCore/qplugin.h>
diff --git a/src/client/hardwareintegration/qwaylandhardwareintegration_p.h b/src/client/hardwareintegration/qwaylandhardwareintegration_p.h
index c672b2b27..466f0b20b 100644
--- a/src/client/hardwareintegration/qwaylandhardwareintegration_p.h
+++ b/src/client/hardwareintegration/qwaylandhardwareintegration_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDHARDWAREINTEGRATION_H
 #define QWAYLANDHARDWAREINTEGRATION_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwayland-hardware-integration.h>
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 
diff --git a/src/client/hardwareintegration/qwaylandserverbufferintegration_p.h b/src/client/hardwareintegration/qwaylandserverbufferintegration_p.h
index 286860c36..ad2835599 100644
--- a/src/client/hardwareintegration/qwaylandserverbufferintegration_p.h
+++ b/src/client/hardwareintegration/qwaylandserverbufferintegration_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDSERVERBUFFERINTEGRATION_H
 #define QWAYLANDSERVERBUFFERINTEGRATION_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/QSize>
 #include <QtGui/qopengl.h>
 
diff --git a/src/client/hardwareintegration/qwaylandserverbufferintegrationfactory_p.h b/src/client/hardwareintegration/qwaylandserverbufferintegrationfactory_p.h
index 6daa2e074..4eeb37169 100644
--- a/src/client/hardwareintegration/qwaylandserverbufferintegrationfactory_p.h
+++ b/src/client/hardwareintegration/qwaylandserverbufferintegrationfactory_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDSERVERBUFFERINTEGRATIONFACTORY_H
 #define QWAYLANDSERVERBUFFERINTEGRATIONFACTORY_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 #include <QtCore/QStringList>
 
diff --git a/src/client/hardwareintegration/qwaylandserverbufferintegrationplugin_p.h b/src/client/hardwareintegration/qwaylandserverbufferintegrationplugin_p.h
index 51d64512a..5d0d5d2fd 100644
--- a/src/client/hardwareintegration/qwaylandserverbufferintegrationplugin_p.h
+++ b/src/client/hardwareintegration/qwaylandserverbufferintegrationplugin_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDSERVERBUFFERINTEGRATIONPLUGIN_H
 #define QWAYLANDSERVERBUFFERINTEGRATIONPLUGIN_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 
 #include <QtCore/qplugin.h>
diff --git a/src/client/inputdeviceintegration/qwaylandinputdeviceintegration_p.h b/src/client/inputdeviceintegration/qwaylandinputdeviceintegration_p.h
index 3feb88684..f3c59c898 100644
--- a/src/client/inputdeviceintegration/qwaylandinputdeviceintegration_p.h
+++ b/src/client/inputdeviceintegration/qwaylandinputdeviceintegration_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDINPUTDEVICEINTEGRATION_H
 #define QWAYLANDINPUTDEVICEINTEGRATION_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qglobal.h>
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 
diff --git a/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationfactory_p.h b/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationfactory_p.h
index 1eddca862..69ab61cf8 100644
--- a/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationfactory_p.h
+++ b/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationfactory_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDINPUTDEVICEINTEGRATIONFACTORY_H
 #define QWAYLANDINPUTDEVICEINTEGRATIONFACTORY_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 #include <QtCore/QStringList>
 
diff --git a/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationplugin_p.h b/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationplugin_p.h
index ab646417d..0cb89ebac 100644
--- a/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationplugin_p.h
+++ b/src/client/inputdeviceintegration/qwaylandinputdeviceintegrationplugin_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDINPUTDEVICEINTEGRATIONPLUGIN_H
 #define QWAYLANDINPUTDEVICEINTEGRATIONPLUGIN_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 
 #include <QtCore/qplugin.h>
diff --git a/src/client/qwaylandabstractdecoration_p.h b/src/client/qwaylandabstractdecoration_p.h
index e489c09a0..ff4ea45a8 100644
--- a/src/client/qwaylandabstractdecoration_p.h
+++ b/src/client/qwaylandabstractdecoration_p.h
@@ -35,6 +35,17 @@
 #ifndef QWAYLANDABSTRACTDECORATION_H
 #define QWAYLANDABSTRACTDECORATION_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/QMargins>
 #include <QtCore/QPointF>
 #include <QtGui/QGuiApplication>
diff --git a/src/client/qwaylandbuffer_p.h b/src/client/qwaylandbuffer_p.h
index e1a891d12..6f8f7b269 100644
--- a/src/client/qwaylandbuffer_p.h
+++ b/src/client/qwaylandbuffer_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDBUFFER_H
 #define QWAYLANDBUFFER_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 
 #include <QtCore/QSize>
diff --git a/src/client/qwaylandclientexport_p.h b/src/client/qwaylandclientexport_p.h
index 993c900be..2938025f0 100644
--- a/src/client/qwaylandclientexport_p.h
+++ b/src/client/qwaylandclientexport_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDCLIENTEXPORT_H
 #define QWAYLANDCLIENTEXPORT_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qglobal.h>
 
 QT_BEGIN_NAMESPACE
diff --git a/src/client/qwaylandclipboard_p.h b/src/client/qwaylandclipboard_p.h
index 26cbbaeec..02223076e 100644
--- a/src/client/qwaylandclipboard_p.h
+++ b/src/client/qwaylandclipboard_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDCLIPBOARD_H
 #define QWAYLANDCLIPBOARD_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <qpa/qplatformclipboard.h>
 #include <QtCore/QVariant>
 
diff --git a/src/client/qwaylandcursor_p.h b/src/client/qwaylandcursor_p.h
index 02023dd55..0cc1173f8 100644
--- a/src/client/qwaylandcursor_p.h
+++ b/src/client/qwaylandcursor_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDCURSOR_H
 #define QWAYLANDCURSOR_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <qpa/qplatformcursor.h>
 #include <QtCore/QMap>
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
diff --git a/src/client/qwaylanddatadevice_p.h b/src/client/qwaylanddatadevice_p.h
index d6d38d681..b87529e9b 100644
--- a/src/client/qwaylanddatadevice_p.h
+++ b/src/client/qwaylanddatadevice_p.h
@@ -41,6 +41,17 @@
 #ifndef QWAYLANDDATADEVICE_H
 #define QWAYLANDDATADEVICE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QObject>
 #include <QPoint>
 
diff --git a/src/client/qwaylanddatadevicemanager_p.h b/src/client/qwaylanddatadevicemanager_p.h
index 151197e3b..85b4b3f74 100644
--- a/src/client/qwaylanddatadevicemanager_p.h
+++ b/src/client/qwaylanddatadevicemanager_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDDATADEVICEMANAGER_H
 #define QWAYLANDDATADEVICEMANAGER_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 #include <QtWaylandClient/private/qwayland-wayland.h>
 
diff --git a/src/client/qwaylanddataoffer_p.h b/src/client/qwaylanddataoffer_p.h
index 391ceb173..b22681f7a 100644
--- a/src/client/qwaylanddataoffer_p.h
+++ b/src/client/qwaylanddataoffer_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDDATAOFFER_H
 #define QWAYLANDDATAOFFER_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtGui/private/qdnd_p.h>
 
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
diff --git a/src/client/qwaylanddatasource_p.h b/src/client/qwaylanddatasource_p.h
index 93f1f4681..c753c4f6e 100644
--- a/src/client/qwaylanddatasource_p.h
+++ b/src/client/qwaylanddatasource_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDDATASOURCE_H
 #define QWAYLANDDATASOURCE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QObject>
 
 #include <QtWaylandClient/private/qwayland-wayland.h>
diff --git a/src/client/qwaylanddecorationfactory_p.h b/src/client/qwaylanddecorationfactory_p.h
index de830aaf0..0a0e09d64 100644
--- a/src/client/qwaylanddecorationfactory_p.h
+++ b/src/client/qwaylanddecorationfactory_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDDECORATIONFACTORY_H
 #define QWAYLANDDECORATIONFACTORY_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 #include <QtCore/QStringList>
 
diff --git a/src/client/qwaylanddecorationplugin_p.h b/src/client/qwaylanddecorationplugin_p.h
index 9f19b2948..762274e32 100644
--- a/src/client/qwaylanddecorationplugin_p.h
+++ b/src/client/qwaylanddecorationplugin_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDDECORATIONPLUGIN_H
 #define QWAYLANDDECORATIONPLUGIN_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 
 #include <QtCore/qplugin.h>
diff --git a/src/client/qwaylanddisplay_p.h b/src/client/qwaylanddisplay_p.h
index 84c79d70d..bf48c2123 100644
--- a/src/client/qwaylanddisplay_p.h
+++ b/src/client/qwaylanddisplay_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDDISPLAY_H
 #define QWAYLANDDISPLAY_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/QObject>
 #include <QtCore/QRect>
 #include <QtCore/QPointer>
diff --git a/src/client/qwaylanddnd_p.h b/src/client/qwaylanddnd_p.h
index 19b1f92ed..42848a1d8 100644
--- a/src/client/qwaylanddnd_p.h
+++ b/src/client/qwaylanddnd_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDDND_H
 #define QWAYLANDDND_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <qpa/qplatformdrag.h>
 #include <QtGui/private/qsimpledrag_p.h>
 
diff --git a/src/client/qwaylandeventthread_p.h b/src/client/qwaylandeventthread_p.h
index cd64b7046..0920d403e 100644
--- a/src/client/qwaylandeventthread_p.h
+++ b/src/client/qwaylandeventthread_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDEVENTTHREAD_H
 #define QWAYLANDEVENTTHREAD_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QObject>
 #include <QMutex>
 #include <wayland-client.h>
diff --git a/src/client/qwaylandextendedsurface_p.h b/src/client/qwaylandextendedsurface_p.h
index efd7a0b2b..2ed3a2276 100644
--- a/src/client/qwaylandextendedsurface_p.h
+++ b/src/client/qwaylandextendedsurface_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDEXTENDEDSURFACE_H
 #define QWAYLANDEXTENDEDSURFACE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/QString>
 #include <QtCore/QVariant>
 
diff --git a/src/client/qwaylandinputcontext_p.h b/src/client/qwaylandinputcontext_p.h
index 522e95fff..679baa497 100644
--- a/src/client/qwaylandinputcontext_p.h
+++ b/src/client/qwaylandinputcontext_p.h
@@ -41,6 +41,17 @@
 #ifndef QWAYLANDINPUTCONTEXT_H
 #define QWAYLANDINPUTCONTEXT_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <qpa/qplatforminputcontext.h>
 
 #include <QtWaylandClient/private/qwayland-text.h>
diff --git a/src/client/qwaylandinputdevice_p.h b/src/client/qwaylandinputdevice_p.h
index 6f3b25c06..8bfb45cd4 100644
--- a/src/client/qwaylandinputdevice_p.h
+++ b/src/client/qwaylandinputdevice_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDINPUTDEVICE_H
 #define QWAYLANDINPUTDEVICE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwaylandwindow_p.h>
 
 #include <QSocketNotifier>
diff --git a/src/client/qwaylandintegration_p.h b/src/client/qwaylandintegration_p.h
index ef180cdaf..42bc287b5 100644
--- a/src/client/qwaylandintegration_p.h
+++ b/src/client/qwaylandintegration_p.h
@@ -34,6 +34,17 @@
 #ifndef QPLATFORMINTEGRATION_WAYLAND_H
 #define QPLATFORMINTEGRATION_WAYLAND_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <qpa/qplatformintegration.h>
 
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
diff --git a/src/client/qwaylandnativeinterface_p.h b/src/client/qwaylandnativeinterface_p.h
index 04a46075d..7050f9758 100644
--- a/src/client/qwaylandnativeinterface_p.h
+++ b/src/client/qwaylandnativeinterface_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDNATIVEINTERFACE_H
 #define QWAYLANDNATIVEINTERFACE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QVariantMap>
 #include <qpa/qplatformnativeinterface.h>
 
diff --git a/src/client/qwaylandqtkey_p.h b/src/client/qwaylandqtkey_p.h
index 322549d5b..2e9c7a255 100644
--- a/src/client/qwaylandqtkey_p.h
+++ b/src/client/qwaylandqtkey_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDQTKEY_H
 #define QWAYLANDQTKEY_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <qpa/qwindowsysteminterface.h>
 
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
diff --git a/src/client/qwaylandscreen_p.h b/src/client/qwaylandscreen_p.h
index 3d38e30a8..e3e1515d4 100644
--- a/src/client/qwaylandscreen_p.h
+++ b/src/client/qwaylandscreen_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDSCREEN_H
 #define QWAYLANDSCREEN_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <qpa/qplatformscreen.h>
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 
diff --git a/src/client/qwaylandshellsurface_p.h b/src/client/qwaylandshellsurface_p.h
index 2fb7ff9af..726d103f9 100644
--- a/src/client/qwaylandshellsurface_p.h
+++ b/src/client/qwaylandshellsurface_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDSHELLSURFACE_H
 #define QWAYLANDSHELLSURFACE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/QSize>
 #include <QObject>
 
diff --git a/src/client/qwaylandshmbackingstore_p.h b/src/client/qwaylandshmbackingstore_p.h
index 17e84f3cd..a1a6e19c3 100644
--- a/src/client/qwaylandshmbackingstore_p.h
+++ b/src/client/qwaylandshmbackingstore_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDSHMBACKINGSTORE_H
 #define QWAYLANDSHMBACKINGSTORE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwaylandbuffer_p.h>
 
 #include <qpa/qplatformbackingstore.h>
diff --git a/src/client/qwaylandshmwindow_p.h b/src/client/qwaylandshmwindow_p.h
index b046c5d84..a0a5edffd 100644
--- a/src/client/qwaylandshmwindow_p.h
+++ b/src/client/qwaylandshmwindow_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDSHMWINDOW_H
 #define QWAYLANDSHMWINDOW_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwaylandwindow_p.h>
 #include <QtGui/QRegion>
 
diff --git a/src/client/qwaylandsubsurface_p.h b/src/client/qwaylandsubsurface_p.h
index 75d8cf6a0..4cbb99251 100644
--- a/src/client/qwaylandsubsurface_p.h
+++ b/src/client/qwaylandsubsurface_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDSUBSURFACE_H
 #define QWAYLANDSUBSURFACE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <wayland-client.h>
 
 #include <QtCore/qglobal.h>
diff --git a/src/client/qwaylandtouch_p.h b/src/client/qwaylandtouch_p.h
index 2dda6243a..394ae6d36 100644
--- a/src/client/qwaylandtouch_p.h
+++ b/src/client/qwaylandtouch_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDTOUCH_H
 #define QWAYLANDTOUCH_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <qpa/qwindowsysteminterface.h>
 
 #include <QtWaylandClient/private/qwayland-touch-extension.h>
diff --git a/src/client/qwaylandwindow_p.h b/src/client/qwaylandwindow_p.h
index 6b9af1031..be8f53088 100644
--- a/src/client/qwaylandwindow_p.h
+++ b/src/client/qwaylandwindow_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDWINDOW_H
 #define QWAYLANDWINDOW_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/QWaitCondition>
 #include <QtCore/QMutex>
 #include <QtGui/QIcon>
diff --git a/src/client/qwaylandwindowmanagerintegration_p.h b/src/client/qwaylandwindowmanagerintegration_p.h
index c5ceb6d5b..73c1b29e8 100644
--- a/src/client/qwaylandwindowmanagerintegration_p.h
+++ b/src/client/qwaylandwindowmanagerintegration_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDWINDOWMANAGERINTEGRATION_H
 #define QWAYLANDWINDOWMANAGERINTEGRATION_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/QObject>
 #include <QtCore/QScopedPointer>
 
diff --git a/src/client/qwaylandwlshellsurface_p.h b/src/client/qwaylandwlshellsurface_p.h
index 47d4467ce..78216a4c3 100644
--- a/src/client/qwaylandwlshellsurface_p.h
+++ b/src/client/qwaylandwlshellsurface_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDWLSHELLSURFACE_H
 #define QWAYLANDWLSHELLSURFACE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/QSize>
 
 #include <wayland-client.h>
diff --git a/src/client/qwaylandxdgshell_p.h b/src/client/qwaylandxdgshell_p.h
index 954dc5707..3fd248fc4 100644
--- a/src/client/qwaylandxdgshell_p.h
+++ b/src/client/qwaylandxdgshell_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDXDGSHELL_H
 #define QWAYLANDXDGSHELL_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/QSize>
 
 #include <wayland-client.h>
diff --git a/src/client/qwaylandxdgsurface_p.h b/src/client/qwaylandxdgsurface_p.h
index 1a53a772d..8deafef77 100644
--- a/src/client/qwaylandxdgsurface_p.h
+++ b/src/client/qwaylandxdgsurface_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDXDGSURFACE_H
 #define QWAYLANDXDGSURFACE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/QSize>
 #include <QtCore/QMargins>
 
diff --git a/src/client/shellintegration/qwaylandshellintegration_p.h b/src/client/shellintegration/qwaylandshellintegration_p.h
index a4b40b088..f8e741520 100644
--- a/src/client/shellintegration/qwaylandshellintegration_p.h
+++ b/src/client/shellintegration/qwaylandshellintegration_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDSHELLINTEGRATION_H
 #define QWAYLANDSHELLINTEGRATION_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qglobal.h>
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 
diff --git a/src/client/shellintegration/qwaylandshellintegrationfactory_p.h b/src/client/shellintegration/qwaylandshellintegrationfactory_p.h
index 873e57aec..7ec49521c 100644
--- a/src/client/shellintegration/qwaylandshellintegrationfactory_p.h
+++ b/src/client/shellintegration/qwaylandshellintegrationfactory_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDSHELLINTEGRATIONFACTORY_H
 #define QWAYLANDSHELLINTEGRATIONFACTORY_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 #include <QtCore/QStringList>
 
diff --git a/src/client/shellintegration/qwaylandshellintegrationplugin_p.h b/src/client/shellintegration/qwaylandshellintegrationplugin_p.h
index 9bae57cc9..9193fb071 100644
--- a/src/client/shellintegration/qwaylandshellintegrationplugin_p.h
+++ b/src/client/shellintegration/qwaylandshellintegrationplugin_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDSHELLINTEGRATIONPLUGIN_H
 #define QWAYLANDSHELLINTEGRATIONPLUGIN_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtWaylandClient/private/qwaylandclientexport_p.h>
 
 #include <QtCore/qplugin.h>
diff --git a/src/compositor/compositor_api/qwaylandsurface_p.h b/src/compositor/compositor_api/qwaylandsurface_p.h
index 4444df7a9..383a523b2 100644
--- a/src/compositor/compositor_api/qwaylandsurface_p.h
+++ b/src/compositor/compositor_api/qwaylandsurface_p.h
@@ -35,6 +35,17 @@
 #ifndef QWAYLANDSURFACE_P_H
 #define QWAYLANDSURFACE_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 #include <private/qobject_p.h>
 
diff --git a/src/compositor/hardware_integration/qwlclientbufferintegration_p.h b/src/compositor/hardware_integration/qwlclientbufferintegration_p.h
index 15712ea1e..e4bbb45b9 100644
--- a/src/compositor/hardware_integration/qwlclientbufferintegration_p.h
+++ b/src/compositor/hardware_integration/qwlclientbufferintegration_p.h
@@ -41,6 +41,17 @@
 #ifndef QWAYLANDCLIENTBUFFERINTEGRATION_H
 #define QWAYLANDCLIENTBUFFERINTEGRATION_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 #include <QtCore/QSize>
 #include <QtGui/qopengl.h>
diff --git a/src/compositor/hardware_integration/qwlclientbufferintegrationfactory_p.h b/src/compositor/hardware_integration/qwlclientbufferintegrationfactory_p.h
index 1ee972789..0d064db26 100644
--- a/src/compositor/hardware_integration/qwlclientbufferintegrationfactory_p.h
+++ b/src/compositor/hardware_integration/qwlclientbufferintegrationfactory_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDCLIENTBUFFERINTEGRATIONFACTORY_H
 #define QWAYLANDCLIENTBUFFERINTEGRATIONFACTORY_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 #include <QtCore/QStringList>
 
diff --git a/src/compositor/hardware_integration/qwlclientbufferintegrationplugin_p.h b/src/compositor/hardware_integration/qwlclientbufferintegrationplugin_p.h
index adb7440fc..2b3604480 100644
--- a/src/compositor/hardware_integration/qwlclientbufferintegrationplugin_p.h
+++ b/src/compositor/hardware_integration/qwlclientbufferintegrationplugin_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDCLIENTBUFFERINTEGRATIONPLUGIN_H
 #define QWAYLANDCLIENTBUFFERINTEGRATIONPLUGIN_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 
 #include <QtCore/qplugin.h>
diff --git a/src/compositor/hardware_integration/qwlhwintegration_p.h b/src/compositor/hardware_integration/qwlhwintegration_p.h
index b18b6eeb1..ed5c56ba1 100644
--- a/src/compositor/hardware_integration/qwlhwintegration_p.h
+++ b/src/compositor/hardware_integration/qwlhwintegration_p.h
@@ -41,6 +41,17 @@
 #ifndef QWLHWINTEGRATION_P_H
 #define QWLHWINTEGRATION_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/private/qwayland-server-hardware-integration.h>
 
 #include <QtCore/QString>
diff --git a/src/compositor/hardware_integration/qwlserverbufferintegration_p.h b/src/compositor/hardware_integration/qwlserverbufferintegration_p.h
index f8a15318c..0eef5d1f0 100644
--- a/src/compositor/hardware_integration/qwlserverbufferintegration_p.h
+++ b/src/compositor/hardware_integration/qwlserverbufferintegration_p.h
@@ -41,6 +41,17 @@
 #ifndef QWAYLANDSERVERBUFFERINTEGRATION_H
 #define QWAYLANDSERVERBUFFERINTEGRATION_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qglobal.h>
 #include <QtCore/QSize>
 #include <QtGui/qopengl.h>
diff --git a/src/compositor/hardware_integration/qwlserverbufferintegrationfactory_p.h b/src/compositor/hardware_integration/qwlserverbufferintegrationfactory_p.h
index 02f15556d..4d07df96f 100644
--- a/src/compositor/hardware_integration/qwlserverbufferintegrationfactory_p.h
+++ b/src/compositor/hardware_integration/qwlserverbufferintegrationfactory_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDSERVERBUFFERINTEGRATIONFACTORY_H
 #define QWAYLANDSERVERBUFFERINTEGRATIONFACTORY_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 #include <QtCore/QStringList>
 
diff --git a/src/compositor/hardware_integration/qwlserverbufferintegrationplugin_p.h b/src/compositor/hardware_integration/qwlserverbufferintegrationplugin_p.h
index c074f1596..2530ac3db 100644
--- a/src/compositor/hardware_integration/qwlserverbufferintegrationplugin_p.h
+++ b/src/compositor/hardware_integration/qwlserverbufferintegrationplugin_p.h
@@ -34,6 +34,17 @@
 #ifndef QWAYLANDSERVERBUFFERINTEGRATIONPLUGIN_H
 #define QWAYLANDSERVERBUFFERINTEGRATIONPLUGIN_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 
 #include <QtCore/qplugin.h>
diff --git a/src/compositor/wayland_wrapper/qwlcompositor_p.h b/src/compositor/wayland_wrapper/qwlcompositor_p.h
index 7360e7dca..0ba30eb20 100644
--- a/src/compositor/wayland_wrapper/qwlcompositor_p.h
+++ b/src/compositor/wayland_wrapper/qwlcompositor_p.h
@@ -42,6 +42,17 @@
 #ifndef WL_COMPOSITOR_H
 #define WL_COMPOSITOR_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 #include <QtCompositor/qwaylandcompositor.h>
 
diff --git a/src/compositor/wayland_wrapper/qwldatadevice_p.h b/src/compositor/wayland_wrapper/qwldatadevice_p.h
index 6be177dec..17e605f19 100644
--- a/src/compositor/wayland_wrapper/qwldatadevice_p.h
+++ b/src/compositor/wayland_wrapper/qwldatadevice_p.h
@@ -41,6 +41,17 @@
 #ifndef WLDATADEVICE_H
 #define WLDATADEVICE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/private/qwayland-server-wayland.h>
 #include <qwlpointer_p.h>
 
diff --git a/src/compositor/wayland_wrapper/qwldatadevicemanager_p.h b/src/compositor/wayland_wrapper/qwldatadevicemanager_p.h
index 988066fc5..90d226d77 100644
--- a/src/compositor/wayland_wrapper/qwldatadevicemanager_p.h
+++ b/src/compositor/wayland_wrapper/qwldatadevicemanager_p.h
@@ -41,6 +41,17 @@
 #ifndef WLDATADEVICEMANAGER_H
 #define WLDATADEVICEMANAGER_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <private/qwlcompositor_p.h>
 
 #include <QtCore/QList>
diff --git a/src/compositor/wayland_wrapper/qwldataoffer_p.h b/src/compositor/wayland_wrapper/qwldataoffer_p.h
index 8d4cd1256..cc0faa34d 100644
--- a/src/compositor/wayland_wrapper/qwldataoffer_p.h
+++ b/src/compositor/wayland_wrapper/qwldataoffer_p.h
@@ -41,6 +41,17 @@
 #ifndef WLDATAOFFER_H
 #define WLDATAOFFER_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QPointer>
 #include <QtCompositor/private/qwayland-server-wayland.h>
 
diff --git a/src/compositor/wayland_wrapper/qwldatasource_p.h b/src/compositor/wayland_wrapper/qwldatasource_p.h
index 1ddad3634..d4d10768b 100644
--- a/src/compositor/wayland_wrapper/qwldatasource_p.h
+++ b/src/compositor/wayland_wrapper/qwldatasource_p.h
@@ -41,6 +41,17 @@
 #ifndef WLDATASOURCE_H
 #define WLDATASOURCE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/private/qwayland-server-wayland.h>
 #include <QObject>
 #include <QtCore/QList>
diff --git a/src/compositor/wayland_wrapper/qwldisplay_p.h b/src/compositor/wayland_wrapper/qwldisplay_p.h
index 6ba66f951..c89bb0509 100644
--- a/src/compositor/wayland_wrapper/qwldisplay_p.h
+++ b/src/compositor/wayland_wrapper/qwldisplay_p.h
@@ -41,6 +41,17 @@
 #ifndef WL_DISPLAY_H
 #define WL_DISPLAY_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <wayland-server.h>
 #include <QtCompositor/qwaylandexport.h>
 
diff --git a/src/compositor/wayland_wrapper/qwlextendedsurface_p.h b/src/compositor/wayland_wrapper/qwlextendedsurface_p.h
index 8af6232a6..88c801067 100644
--- a/src/compositor/wayland_wrapper/qwlextendedsurface_p.h
+++ b/src/compositor/wayland_wrapper/qwlextendedsurface_p.h
@@ -41,6 +41,17 @@
 #ifndef WLEXTENDEDSURFACE_H
 #define WLEXTENDEDSURFACE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <wayland-server.h>
 
 #include <QtCompositor/private/qwayland-server-surface-extension.h>
diff --git a/src/compositor/wayland_wrapper/qwlinputdevice_p.h b/src/compositor/wayland_wrapper/qwlinputdevice_p.h
index 8444eaa50..f28946a9b 100644
--- a/src/compositor/wayland_wrapper/qwlinputdevice_p.h
+++ b/src/compositor/wayland_wrapper/qwlinputdevice_p.h
@@ -41,6 +41,17 @@
 #ifndef WLINPUTDEVICE_H
 #define WLINPUTDEVICE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <stdint.h>
 
 #include <QtCompositor/qwaylandexport.h>
diff --git a/src/compositor/wayland_wrapper/qwlinputmethod_p.h b/src/compositor/wayland_wrapper/qwlinputmethod_p.h
index f2df5c8ab..f52208a9c 100644
--- a/src/compositor/wayland_wrapper/qwlinputmethod_p.h
+++ b/src/compositor/wayland_wrapper/qwlinputmethod_p.h
@@ -41,6 +41,17 @@
 #ifndef QTWAYLAND_QWLINPUTMETHOD_H
 #define QTWAYLAND_QWLINPUTMETHOD_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/private/qwayland-server-input-method.h>
 
 #include <QObject>
diff --git a/src/compositor/wayland_wrapper/qwlinputmethodcontext_p.h b/src/compositor/wayland_wrapper/qwlinputmethodcontext_p.h
index a766d63d6..ccf236e61 100644
--- a/src/compositor/wayland_wrapper/qwlinputmethodcontext_p.h
+++ b/src/compositor/wayland_wrapper/qwlinputmethodcontext_p.h
@@ -41,6 +41,17 @@
 #ifndef QTWAYLAND_QWLINPUTMETHODCONTEXT_P_H
 #define QTWAYLAND_QWLINPUTMETHODCONTEXT_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/private/qwayland-server-input-method.h>
 
 QT_BEGIN_NAMESPACE
diff --git a/src/compositor/wayland_wrapper/qwlinputpanel_p.h b/src/compositor/wayland_wrapper/qwlinputpanel_p.h
index a475da37c..f8880ad4a 100644
--- a/src/compositor/wayland_wrapper/qwlinputpanel_p.h
+++ b/src/compositor/wayland_wrapper/qwlinputpanel_p.h
@@ -41,6 +41,17 @@
 #ifndef QTWAYLAND_QWLINPUTPANEL_P_H
 #define QTWAYLAND_QWLINPUTPANEL_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 
 #include <QtCompositor/private/qwayland-server-input-method.h>
diff --git a/src/compositor/wayland_wrapper/qwlinputpanelsurface_p.h b/src/compositor/wayland_wrapper/qwlinputpanelsurface_p.h
index 621ce135c..37f2e0858 100644
--- a/src/compositor/wayland_wrapper/qwlinputpanelsurface_p.h
+++ b/src/compositor/wayland_wrapper/qwlinputpanelsurface_p.h
@@ -42,6 +42,17 @@
 #ifndef QTWAYLAND_QWLINPUTPANELSURFACE_P_H
 #define QTWAYLAND_QWLINPUTPANELSURFACE_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/private/qwayland-server-input-method.h>
 
 QT_BEGIN_NAMESPACE
diff --git a/src/compositor/wayland_wrapper/qwlkeyboard_p.h b/src/compositor/wayland_wrapper/qwlkeyboard_p.h
index c4df31266..e47bd2102 100644
--- a/src/compositor/wayland_wrapper/qwlkeyboard_p.h
+++ b/src/compositor/wayland_wrapper/qwlkeyboard_p.h
@@ -42,6 +42,17 @@
 #ifndef QTWAYLAND_QWLKEYBOARD_P_H
 #define QTWAYLAND_QWLKEYBOARD_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 #include <QtCompositor/qwaylandinput.h>
 
diff --git a/src/compositor/wayland_wrapper/qwllistener_p.h b/src/compositor/wayland_wrapper/qwllistener_p.h
index addc9a1fb..296a081ab 100644
--- a/src/compositor/wayland_wrapper/qwllistener_p.h
+++ b/src/compositor/wayland_wrapper/qwllistener_p.h
@@ -34,6 +34,17 @@
 #ifndef QTWAYLAND_QWLLISTENER_H
 #define QTWAYLAND_QWLLISTENER_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QObject>
 
 #include <wayland-server.h>
diff --git a/src/compositor/wayland_wrapper/qwloutput_p.h b/src/compositor/wayland_wrapper/qwloutput_p.h
index b85081e80..3efd49fb6 100644
--- a/src/compositor/wayland_wrapper/qwloutput_p.h
+++ b/src/compositor/wayland_wrapper/qwloutput_p.h
@@ -42,6 +42,17 @@
 #ifndef WL_OUTPUT_H
 #define WL_OUTPUT_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 
 #include <QtCore/QRect>
diff --git a/src/compositor/wayland_wrapper/qwlpointer_p.h b/src/compositor/wayland_wrapper/qwlpointer_p.h
index db2932d04..b50350d8b 100644
--- a/src/compositor/wayland_wrapper/qwlpointer_p.h
+++ b/src/compositor/wayland_wrapper/qwlpointer_p.h
@@ -42,6 +42,17 @@
 #ifndef QTWAYLAND_QWLPOINTER_P_H
 #define QTWAYLAND_QWLPOINTER_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 
 #include <QtCore/QList>
diff --git a/src/compositor/wayland_wrapper/qwlqtkey_p.h b/src/compositor/wayland_wrapper/qwlqtkey_p.h
index 2b10c8f71..938fa0b84 100644
--- a/src/compositor/wayland_wrapper/qwlqtkey_p.h
+++ b/src/compositor/wayland_wrapper/qwlqtkey_p.h
@@ -41,6 +41,17 @@
 #ifndef WLQTKEY_H
 #define WLQTKEY_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include  <private/qwlcompositor_p.h>
 
 #include "wayland-util.h"
diff --git a/src/compositor/wayland_wrapper/qwlqttouch_p.h b/src/compositor/wayland_wrapper/qwlqttouch_p.h
index e5215def6..003f783dc 100644
--- a/src/compositor/wayland_wrapper/qwlqttouch_p.h
+++ b/src/compositor/wayland_wrapper/qwlqttouch_p.h
@@ -41,6 +41,17 @@
 #ifndef WLTOUCH_H
 #define WLTOUCH_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <private/qwlcompositor_p.h>
 #include <QtCompositor/private/qwayland-server-touch-extension.h>
 #include "wayland-util.h"
diff --git a/src/compositor/wayland_wrapper/qwlregion_p.h b/src/compositor/wayland_wrapper/qwlregion_p.h
index 7fc92f071..4df39602b 100644
--- a/src/compositor/wayland_wrapper/qwlregion_p.h
+++ b/src/compositor/wayland_wrapper/qwlregion_p.h
@@ -41,6 +41,17 @@
 #ifndef WL_REGION_H
 #define WL_REGION_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 
 #include <QRegion>
diff --git a/src/compositor/wayland_wrapper/qwlshellsurface_p.h b/src/compositor/wayland_wrapper/qwlshellsurface_p.h
index 672606229..fab2a5c0b 100644
--- a/src/compositor/wayland_wrapper/qwlshellsurface_p.h
+++ b/src/compositor/wayland_wrapper/qwlshellsurface_p.h
@@ -41,6 +41,17 @@
 #ifndef WLSHELLSURFACE_H
 #define WLSHELLSURFACE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 #include <QtCompositor/qwaylandsurface.h>
 #include <QtCompositor/qwaylandglobalinterface.h>
diff --git a/src/compositor/wayland_wrapper/qwlsubsurface_p.h b/src/compositor/wayland_wrapper/qwlsubsurface_p.h
index 0357b1e0e..bce79342d 100644
--- a/src/compositor/wayland_wrapper/qwlsubsurface_p.h
+++ b/src/compositor/wayland_wrapper/qwlsubsurface_p.h
@@ -41,6 +41,17 @@
 #ifndef WLSUBSURFACE_H
 #define WLSUBSURFACE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <private/qwlsurface_p.h>
 
 #include <QtCompositor/private/wayland-sub-surface-extension-server-protocol.h>
diff --git a/src/compositor/wayland_wrapper/qwlsurface_p.h b/src/compositor/wayland_wrapper/qwlsurface_p.h
index d08fb4cd6..343955c1a 100644
--- a/src/compositor/wayland_wrapper/qwlsurface_p.h
+++ b/src/compositor/wayland_wrapper/qwlsurface_p.h
@@ -41,6 +41,17 @@
 #ifndef WL_SURFACE_H
 #define WL_SURFACE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 
 #include <private/qwlsurfacebuffer_p.h>
diff --git a/src/compositor/wayland_wrapper/qwlsurfacebuffer_p.h b/src/compositor/wayland_wrapper/qwlsurfacebuffer_p.h
index 580e71d0b..5d09c5a9f 100644
--- a/src/compositor/wayland_wrapper/qwlsurfacebuffer_p.h
+++ b/src/compositor/wayland_wrapper/qwlsurfacebuffer_p.h
@@ -41,6 +41,17 @@
 #ifndef SURFACEBUFFER_H
 #define SURFACEBUFFER_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/QRect>
 #include <QtGui/qopengl.h>
 #include <QImage>
diff --git a/src/compositor/wayland_wrapper/qwltextinput_p.h b/src/compositor/wayland_wrapper/qwltextinput_p.h
index 2618e296a..da09bca4f 100644
--- a/src/compositor/wayland_wrapper/qwltextinput_p.h
+++ b/src/compositor/wayland_wrapper/qwltextinput_p.h
@@ -41,6 +41,17 @@
 #ifndef QTWAYLAND_QWLTEXTINPUT_P_H
 #define QTWAYLAND_QWLTEXTINPUT_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/private/qwayland-server-text.h>
 
 #include <QRect>
diff --git a/src/compositor/wayland_wrapper/qwltextinputmanager_p.h b/src/compositor/wayland_wrapper/qwltextinputmanager_p.h
index 049929c0c..4cb088e93 100644
--- a/src/compositor/wayland_wrapper/qwltextinputmanager_p.h
+++ b/src/compositor/wayland_wrapper/qwltextinputmanager_p.h
@@ -41,6 +41,17 @@
 #ifndef QTWAYLAND_QWLTEXTINPUTMANAGER_P_H
 #define QTWAYLAND_QWLTEXTINPUTMANAGER_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/private/qwayland-server-text.h>
 
 QT_BEGIN_NAMESPACE
diff --git a/src/compositor/wayland_wrapper/qwltouch_p.h b/src/compositor/wayland_wrapper/qwltouch_p.h
index 403cc3b4e..febfb9303 100644
--- a/src/compositor/wayland_wrapper/qwltouch_p.h
+++ b/src/compositor/wayland_wrapper/qwltouch_p.h
@@ -42,6 +42,17 @@
 #ifndef QTWAYLAND_QWLTOUCH_P_H
 #define QTWAYLAND_QWLTOUCH_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 
 #include <QtCore/QPoint>
diff --git a/src/compositor/windowmanagerprotocol/waylandwindowmanagerintegration_p.h b/src/compositor/windowmanagerprotocol/waylandwindowmanagerintegration_p.h
index 2575a3d6b..3a7f2de20 100644
--- a/src/compositor/windowmanagerprotocol/waylandwindowmanagerintegration_p.h
+++ b/src/compositor/windowmanagerprotocol/waylandwindowmanagerintegration_p.h
@@ -41,6 +41,17 @@
 #ifndef WAYLANDWINDOWMANAGERINTEGRATION_H
 #define WAYLANDWINDOWMANAGERINTEGRATION_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCompositor/qwaylandexport.h>
 #include <QtCompositor/private/qwayland-server-windowmanager.h>