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

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

44 files changed, 484 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>