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1. type CustomRequestModeFunc = Widget -> IO SizeRequestMode

   gi-gtk4	GI.Gtk.Callbacks

   Queries a widget for its preferred size request mode.

2. type MapListModelMapFunc = Object -> IO Object

   gi-gtk4	GI.Gtk.Callbacks

   User function that is called to map an item of the original model to an item expected by the map model. The returned items must conform to the item type of the model they are used with.

3. type MapListModelMapFunc_WithClosures = Object -> Ptr () -> IO Object

   gi-gtk4	GI.Gtk.Callbacks

   User function that is called to map an item of the original model to an item expected by the map model. The returned items must conform to the item type of the model they are used with.

4. type TreeListModelCreateModelFunc = Object -> IO Maybe ListModel

   gi-gtk4	GI.Gtk.Callbacks

   Prototype of the function called to create new child models when treeListRowSetExpanded is called. This function can return Nothing to indicate that item is guaranteed to be a leaf node and will never have children. If it does not have children but may get children later, it should return an empty model that is filled once children arrive.

5. type TreeListModelCreateModelFunc_WithClosures = Object -> Ptr () -> IO Maybe ListModel

   gi-gtk4	GI.Gtk.Callbacks

   Prototype of the function called to create new child models when treeListRowSetExpanded is called. This function can return Nothing to indicate that item is guaranteed to be a leaf node and will never have children. If it does not have children but may get children later, it should return an empty model that is filled once children arrive.

6. type WidgetClassGetRequestModeFieldCallback = Widget -> IO SizeRequestMode

   gi-gtk4	GI.Gtk.Callbacks

   No description available in the introspection data.

7. drop_closures_MapListModelMapFunc :: MapListModelMapFunc -> MapListModelMapFunc_WithClosures

   gi-gtk4	GI.Gtk.Callbacks

   A simple wrapper that ignores the closure arguments.

8. drop_closures_TreeListModelCreateModelFunc :: TreeListModelCreateModelFunc -> TreeListModelCreateModelFunc_WithClosures

   gi-gtk4	GI.Gtk.Callbacks

   A simple wrapper that ignores the closure arguments.

9. dynamic_CustomRequestModeFunc :: (HasCallStack, MonadIO m, IsWidget a) => FunPtr C_CustomRequestModeFunc -> a -> m SizeRequestMode

   gi-gtk4	GI.Gtk.Callbacks

   Given a pointer to a foreign C function, wrap it into a function callable from Haskell.

10. dynamic_MapListModelMapFunc :: (HasCallStack, MonadIO m, IsObject a) => FunPtr C_MapListModelMapFunc -> a -> Ptr () -> m Object

    gi-gtk4	GI.Gtk.Callbacks

    Given a pointer to a foreign C function, wrap it into a function callable from Haskell.

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