API dox: add some minimal docs to class to have them covered by doxygen

src/wayland/server/qtsurfaceextension_interface.h

@@ -39,6 +39,9 @@ class Display;
 class SurfaceInterface;
 class QtExtendedSurfaceInterface;
 
+/**
+ * TODO
+ */
 class KWAYLANDSERVER_EXPORT QtSurfaceExtensionInterface : public Global
 {
     Q_OBJECT
@@ -54,6 +57,9 @@ private:
     class Private;
 };
 
+/**
+ * TODO
+ */
 class KWAYLANDSERVER_EXPORT QtExtendedSurfaceInterface : public Resource
 {
     Q_OBJECT

src/wayland/shadow_interface.h

@@ -36,6 +36,9 @@ namespace Server
 class BufferInterface;
 class Display;
 
+/**
+ * TODO
+ */
 class KWAYLANDSERVER_EXPORT ShadowManagerInterface : public Global
 {
     Q_OBJECT
@@ -48,6 +51,9 @@ private:
     class Private;
 };
 
+/**
+ * TODO
+ */
 class KWAYLANDSERVER_EXPORT ShadowInterface : public Resource
 {
     Q_OBJECT

src/wayland/slide_interface.h

@@ -32,6 +32,9 @@ namespace Server
 
 class Display;
 
+/**
+ * TODO
+ */
 class KWAYLANDSERVER_EXPORT SlideManagerInterface : public Global
 {
     Q_OBJECT
@@ -44,6 +47,9 @@ private:
     class Private;
 };
 
+/**
+ * TODO
+ */
 class KWAYLANDSERVER_EXPORT SlideInterface : public Resource
 {
     Q_OBJECT