diff --git a/pylib/anki/hooks.py b/pylib/anki/hooks.py
index 9aac5568d..ba48e4afa 100644
--- a/pylib/anki/hooks.py
+++ b/pylib/anki/hooks.py
@@ -12,7 +12,7 @@ modifying it.
 
 from __future__ import annotations
 
-from typing import Any, Callable, Dict, List, Tuple
+from typing import Any, Callable, Dict, List, Sequence, Tuple
 
 import decorator
 
@@ -39,6 +39,9 @@ class _CardDidLeechHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, card: Card) -> None:
         for hook in self._hooks:
             try:
@@ -93,6 +96,9 @@ class _CardDidRenderHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self,
         output: anki.template.TemplateRenderOutput,
@@ -121,6 +127,9 @@ class _CardOdueWasInvalidHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self) -> None:
         for hook in self._hooks:
             try:
@@ -147,6 +156,9 @@ class _CardWillFlushHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, card: Card) -> None:
         for hook in self._hooks:
             try:
@@ -173,6 +185,9 @@ class _DeckAddedHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, deck: Dict[str, Any]) -> None:
         for hook in self._hooks:
             try:
@@ -197,6 +212,9 @@ class _ExportersListCreatedHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, exporters: List[Tuple[str, Any]]) -> None:
         for hook in self._hooks:
             try:
@@ -234,6 +252,9 @@ class _FieldFilterFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self,
         field_text: str,
@@ -265,6 +286,9 @@ class _MediaFilesDidExportHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, count: int) -> None:
         for hook in self._hooks:
             try:
@@ -291,6 +315,9 @@ class _NoteTypeAddedHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, notetype: Dict[str, Any]) -> None:
         for hook in self._hooks:
             try:
@@ -317,6 +344,9 @@ class _NoteWillFlushHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, note: Note) -> None:
         for hook in self._hooks:
             try:
@@ -331,21 +361,24 @@ note_will_flush = _NoteWillFlushHook()
 
 
 class _NotesWillBeDeletedHook:
-    _hooks: List[Callable[["anki.collection.Collection", List[int]], None]] = []
+    _hooks: List[Callable[["anki.collection.Collection", Sequence[int]], None]] = []
 
     def append(
-        self, cb: Callable[["anki.collection.Collection", List[int]], None]
+        self, cb: Callable[["anki.collection.Collection", Sequence[int]], None]
     ) -> None:
-        """(col: anki.collection.Collection, ids: List[int])"""
+        """(col: anki.collection.Collection, ids: Sequence[int])"""
         self._hooks.append(cb)
 
     def remove(
-        self, cb: Callable[["anki.collection.Collection", List[int]], None]
+        self, cb: Callable[["anki.collection.Collection", Sequence[int]], None]
     ) -> None:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
-    def __call__(self, col: anki.collection.Collection, ids: List[int]) -> None:
+    def count(self) -> int:
+        return len(self._hooks)
+
+    def __call__(self, col: anki.collection.Collection, ids: Sequence[int]) -> None:
         for hook in self._hooks:
             try:
                 hook(col, ids)
@@ -374,6 +407,9 @@ class _SchedulerNewLimitForSingleDeckFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, count: int, deck: Dict[str, Any]) -> int:
         for filter in self._hooks:
             try:
@@ -402,6 +438,9 @@ class _SchedulerReviewLimitForSingleDeckFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, count: int, deck: Dict[str, Any]) -> int:
         for filter in self._hooks:
             try:
@@ -427,6 +466,9 @@ class _Schedv2DidAnswerReviewCardHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, card: anki.cards.Card, ease: int, early: bool) -> None:
         for hook in self._hooks:
             try:
@@ -451,6 +493,9 @@ class _SchemaWillChangeFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, proceed: bool) -> bool:
         for filter in self._hooks:
             try:
@@ -478,6 +523,9 @@ class _SyncProgressDidChangeHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, msg: str) -> None:
         for hook in self._hooks:
             try:
@@ -504,6 +552,9 @@ class _SyncStageDidChangeHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, stage: str) -> None:
         for hook in self._hooks:
             try:
diff --git a/pylib/tools/genhooks.py b/pylib/tools/genhooks.py
index fb1fe14b9..921a652fc 100644
--- a/pylib/tools/genhooks.py
+++ b/pylib/tools/genhooks.py
@@ -24,7 +24,7 @@ hooks = [
     Hook(name="schema_will_change", args=["proceed: bool"], return_type="bool"),
     Hook(
         name="notes_will_be_deleted",
-        args=["col: anki.collection.Collection", "ids: List[int]"],
+        args=["col: anki.collection.Collection", "ids: Sequence[int]"],
         legacy_hook="remNotes",
     ),
     Hook(name="media_files_did_export", args=["count: int"]),
diff --git a/pylib/tools/hookslib.py b/pylib/tools/hookslib.py
index f06775507..3159e55af 100644
--- a/pylib/tools/hookslib.py
+++ b/pylib/tools/hookslib.py
@@ -83,6 +83,10 @@ class {self.classname()}:
     def remove(self, cb: {self.callable()}) -> None:
         if cb in self._hooks:
             self._hooks.remove(cb)
+
+    def count(self) -> int:
+        return len(self._hooks)
+
 {self.fire_code()}
 {self.name} = {self.classname()}()
 """
diff --git a/qt/aqt/gui_hooks.py b/qt/aqt/gui_hooks.py
index d3efe8339..af8577ce0 100644
--- a/qt/aqt/gui_hooks.py
+++ b/qt/aqt/gui_hooks.py
@@ -35,6 +35,9 @@ class _AddCardsDidAddNoteHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, note: anki.notes.Note) -> None:
         for hook in self._hooks:
             try:
@@ -61,6 +64,9 @@ class _AddCardsDidInitHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, addcards: aqt.addcards.AddCards) -> None:
         for hook in self._hooks:
             try:
@@ -97,6 +103,9 @@ class _AddCardsWillAddNoteFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, problem: Optional[str], note: anki.notes.Note) -> Optional[str]:
         for filter in self._hooks:
             try:
@@ -122,6 +131,9 @@ class _AddCardsWillShowHistoryMenuHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, addcards: aqt.addcards.AddCards, menu: QMenu) -> None:
         for hook in self._hooks:
             try:
@@ -154,6 +166,9 @@ class _AddonConfigEditorWillDisplayJsonFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, text: str) -> str:
         for filter in self._hooks:
             try:
@@ -183,6 +198,9 @@ class _AddonConfigEditorWillSaveJsonFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, text: str) -> str:
         for filter in self._hooks:
             try:
@@ -216,6 +234,9 @@ class _AddonsDialogDidChangeSelectedAddonHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self, dialog: aqt.addons.AddonsDialog, add_on: aqt.addons.AddonMeta
     ) -> None:
@@ -245,6 +266,9 @@ class _AddonsDialogWillShowHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, dialog: aqt.addons.AddonsDialog) -> None:
         for hook in self._hooks:
             try:
@@ -273,6 +297,9 @@ class _AvPlayerDidBeginPlayingHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, player: aqt.sound.Player, tag: anki.sound.AVTag) -> None:
         for hook in self._hooks:
             try:
@@ -297,6 +324,9 @@ class _AvPlayerDidEndPlayingHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, player: aqt.sound.Player) -> None:
         for hook in self._hooks:
             try:
@@ -321,6 +351,9 @@ class _AvPlayerWillPlayHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, tag: anki.sound.AVTag) -> None:
         for hook in self._hooks:
             try:
@@ -345,6 +378,9 @@ class _BackupDidCompleteHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self) -> None:
         for hook in self._hooks:
             try:
@@ -369,6 +405,9 @@ class _BrowserDidChangeRowHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, browser: aqt.browser.Browser) -> None:
         for hook in self._hooks:
             try:
@@ -397,6 +436,9 @@ class _BrowserDidSearchHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, context: aqt.browser.SearchContext) -> None:
         for hook in self._hooks:
             try:
@@ -421,6 +463,9 @@ class _BrowserHeaderWillShowContextMenuHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, browser: aqt.browser.Browser, menu: QMenu) -> None:
         for hook in self._hooks:
             try:
@@ -445,6 +490,9 @@ class _BrowserMenusDidInitHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, browser: aqt.browser.Browser) -> None:
         for hook in self._hooks:
             try:
@@ -539,6 +587,9 @@ class _BrowserWillBuildTreeFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self,
         handled: bool,
@@ -582,6 +633,9 @@ class _BrowserWillSearchHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, context: aqt.browser.SearchContext) -> None:
         for hook in self._hooks:
             try:
@@ -606,6 +660,9 @@ class _BrowserWillShowHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, browser: aqt.browser.Browser) -> None:
         for hook in self._hooks:
             try:
@@ -630,6 +687,9 @@ class _BrowserWillShowContextMenuHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, browser: aqt.browser.Browser, menu: QMenu) -> None:
         for hook in self._hooks:
             try:
@@ -659,6 +719,9 @@ class _CardLayoutWillShowHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, clayout: aqt.clayout.CardLayout) -> None:
         for hook in self._hooks:
             try:
@@ -685,6 +748,9 @@ class _CardWillShowFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, text: str, card: Card, kind: str) -> str:
         for filter in self._hooks:
             try:
@@ -712,6 +778,9 @@ class _CollectionDidLoadHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, col: anki.collection.Collection) -> None:
         for hook in self._hooks:
             try:
@@ -738,6 +807,9 @@ class _CurrentNoteTypeDidChangeHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, notetype: Dict[str, Any]) -> None:
         for hook in self._hooks:
             try:
@@ -767,6 +839,9 @@ class _DebugConsoleDidEvaluatePythonFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, output: str, query: str, debug_window: QDialog) -> str:
         for filter in self._hooks:
             try:
@@ -795,6 +870,9 @@ class _DebugConsoleWillShowHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, debug_window: QDialog) -> None:
         for hook in self._hooks:
             try:
@@ -821,6 +899,9 @@ class _DeckBrowserDidRenderHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, deck_browser: aqt.deckbrowser.DeckBrowser) -> None:
         for hook in self._hooks:
             try:
@@ -874,6 +955,9 @@ class _DeckBrowserWillRenderContentHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self,
         deck_browser: aqt.deckbrowser.DeckBrowser,
@@ -902,6 +986,9 @@ class _DeckBrowserWillShowOptionsMenuHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, menu: QMenu, deck_id: int) -> None:
         for hook in self._hooks:
             try:
@@ -943,6 +1030,9 @@ class _DeckConfDidAddConfigHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self,
         deck_conf: aqt.deckconf.DeckConf,
@@ -976,6 +1066,9 @@ class _DeckConfDidLoadConfigHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self, deck_conf: aqt.deckconf.DeckConf, deck: Any, config: Any
     ) -> None:
@@ -1004,6 +1097,9 @@ class _DeckConfDidSetupUiFormHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, deck_conf: aqt.deckconf.DeckConf) -> None:
         for hook in self._hooks:
             try:
@@ -1030,6 +1126,9 @@ class _DeckConfWillRemoveConfigHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self, deck_conf: aqt.deckconf.DeckConf, deck: Any, config: Any
     ) -> None:
@@ -1062,6 +1161,9 @@ class _DeckConfWillRenameConfigHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self, deck_conf: aqt.deckconf.DeckConf, deck: Any, config: Any, new_name: str
     ) -> None:
@@ -1090,6 +1192,9 @@ class _DeckConfWillSaveConfigHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self, deck_conf: aqt.deckconf.DeckConf, deck: Any, config: Any
     ) -> None:
@@ -1118,6 +1223,9 @@ class _DeckConfWillShowHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, deck_conf: aqt.deckconf.DeckConf) -> None:
         for hook in self._hooks:
             try:
@@ -1142,6 +1250,9 @@ class _EditorDidFireTypingTimerHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, note: anki.notes.Note) -> None:
         for hook in self._hooks:
             try:
@@ -1168,6 +1279,9 @@ class _EditorDidFocusFieldHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, note: anki.notes.Note, current_field_idx: int) -> None:
         for hook in self._hooks:
             try:
@@ -1194,6 +1308,9 @@ class _EditorDidInitHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, editor: aqt.editor.Editor) -> None:
         for hook in self._hooks:
             try:
@@ -1218,6 +1335,9 @@ class _EditorDidInitButtonsHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, buttons: List, editor: aqt.editor.Editor) -> None:
         for hook in self._hooks:
             try:
@@ -1242,6 +1362,9 @@ class _EditorDidInitShortcutsHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, shortcuts: List[Tuple], editor: aqt.editor.Editor) -> None:
         for hook in self._hooks:
             try:
@@ -1268,6 +1391,9 @@ class _EditorDidLoadNoteHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, editor: aqt.editor.Editor) -> None:
         for hook in self._hooks:
             try:
@@ -1294,6 +1420,9 @@ class _EditorDidUnfocusFieldFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self, changed: bool, note: anki.notes.Note, current_field_idx: int
     ) -> bool:
@@ -1323,6 +1452,9 @@ class _EditorDidUpdateTagsHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, note: anki.notes.Note) -> None:
         for hook in self._hooks:
             try:
@@ -1349,6 +1481,9 @@ class _EditorWebViewDidInitHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, editor_web_view: aqt.editor.EditorWebView) -> None:
         for hook in self._hooks:
             try:
@@ -1380,6 +1515,9 @@ class _EditorWillLoadNoteFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self, js: str, note: anki.notes.Note, editor: aqt.editor.Editor
     ) -> str:
@@ -1407,6 +1545,9 @@ class _EditorWillShowContextMenuHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, editor_webview: aqt.editor.EditorWebView, menu: QMenu) -> None:
         for hook in self._hooks:
             try:
@@ -1433,6 +1574,9 @@ class _EditorWillUseFontForFieldFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, font: str) -> str:
         for filter in self._hooks:
             try:
@@ -1462,6 +1606,9 @@ class _EmptyCardsWillShowHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, diag: aqt.emptycards.EmptyCardsDialog) -> None:
         for hook in self._hooks:
             try:
@@ -1494,6 +1641,9 @@ class _MainWindowDidInitHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self) -> None:
         for hook in self._hooks:
             try:
@@ -1518,6 +1668,9 @@ class _MediaSyncDidProgressHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, entry: aqt.mediasync.LogEntryWithTime) -> None:
         for hook in self._hooks:
             try:
@@ -1542,6 +1695,9 @@ class _MediaSyncDidStartOrStopHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, running: bool) -> None:
         for hook in self._hooks:
             try:
@@ -1566,6 +1722,9 @@ class _ModelsAdvancedWillShowHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, advanced: QDialog) -> None:
         for hook in self._hooks:
             try:
@@ -1593,6 +1752,9 @@ class _OverviewDidRefreshHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, overview: aqt.overview.Overview) -> None:
         for hook in self._hooks:
             try:
@@ -1640,6 +1802,9 @@ class _OverviewWillRenderContentHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self, overview: aqt.overview.Overview, content: aqt.overview.OverviewContent
     ) -> None:
@@ -1673,6 +1838,9 @@ class _ProfileDidOpenHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self) -> None:
         for hook in self._hooks:
             try:
@@ -1699,6 +1867,9 @@ class _ProfileWillCloseHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self) -> None:
         for hook in self._hooks:
             try:
@@ -1725,6 +1896,9 @@ class _ReviewDidUndoHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, card_id: int) -> None:
         for hook in self._hooks:
             try:
@@ -1751,6 +1925,9 @@ class _ReviewerDidAnswerCardHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, reviewer: aqt.reviewer.Reviewer, card: Card, ease: int) -> None:
         for hook in self._hooks:
             try:
@@ -1775,6 +1952,9 @@ class _ReviewerDidShowAnswerHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, card: Card) -> None:
         for hook in self._hooks:
             try:
@@ -1801,6 +1981,9 @@ class _ReviewerDidShowQuestionHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, card: Card) -> None:
         for hook in self._hooks:
             try:
@@ -1849,6 +2032,9 @@ class _ReviewerWillAnswerCardFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self, ease_tuple: Tuple[bool, int], reviewer: aqt.reviewer.Reviewer, card: Card
     ) -> Tuple[bool, int]:
@@ -1878,6 +2064,9 @@ class _ReviewerWillEndHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self) -> None:
         for hook in self._hooks:
             try:
@@ -1904,6 +2093,9 @@ class _ReviewerWillShowContextMenuHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, reviewer: aqt.reviewer.Reviewer, menu: QMenu) -> None:
         for hook in self._hooks:
             try:
@@ -1930,6 +2122,9 @@ class _SidebarShouldRefreshDecksHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self) -> None:
         for hook in self._hooks:
             try:
@@ -1954,6 +2149,9 @@ class _SidebarShouldRefreshNotetypesHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self) -> None:
         for hook in self._hooks:
             try:
@@ -1978,6 +2176,9 @@ class _StateDidChangeHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, new_state: str, old_state: str) -> None:
         for hook in self._hooks:
             try:
@@ -2006,6 +2207,9 @@ class _StateDidResetHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self) -> None:
         for hook in self._hooks:
             try:
@@ -2034,6 +2238,9 @@ class _StateDidRevertHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, action: str) -> None:
         for hook in self._hooks:
             try:
@@ -2060,6 +2267,9 @@ class _StateShortcutsWillChangeHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, state: str, shortcuts: List[Tuple[str, Callable]]) -> None:
         for hook in self._hooks:
             try:
@@ -2084,6 +2294,9 @@ class _StateWillChangeHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, new_state: str, old_state: str) -> None:
         for hook in self._hooks:
             try:
@@ -2110,6 +2323,9 @@ class _StyleDidInitFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, style: str) -> str:
         for filter in self._hooks:
             try:
@@ -2137,6 +2353,9 @@ class _TagEditorDidProcessKeyHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, tag_edit: TagEdit, evt: QEvent) -> None:
         for hook in self._hooks:
             try:
@@ -2172,6 +2391,9 @@ class _TopToolbarDidInitLinksHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, links: List[str], top_toolbar: aqt.toolbar.Toolbar) -> None:
         for hook in self._hooks:
             try:
@@ -2196,6 +2418,9 @@ class _UndoStateDidChangeHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, can_undo: bool) -> None:
         for hook in self._hooks:
             try:
@@ -2257,6 +2482,9 @@ class _WebviewDidReceiveJsMessageFilter:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self, handled: Tuple[bool, Any], message: str, context: Any
     ) -> Tuple[bool, Any]:
@@ -2319,6 +2547,9 @@ class _WebviewWillSetContentHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(
         self, web_content: aqt.webview.WebContent, context: Optional[Any]
     ) -> None:
@@ -2345,6 +2576,9 @@ class _WebviewWillShowContextMenuHook:
         if cb in self._hooks:
             self._hooks.remove(cb)
 
+    def count(self) -> int:
+        return len(self._hooks)
+
     def __call__(self, webview: aqt.webview.AnkiWebView, menu: QMenu) -> None:
         for hook in self._hooks:
             try: