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1. clearBoolFilterExpression :: (MonadIO m, IsBoolFilter o) => o -> m ()

   gi-gtk4	GI.Gtk.Objects.BoolFilter

   Set the value of the “expression” property to Nothing. When overloading is enabled, this is equivalent to

   clear #expression
   

2. constructBoolFilterExpression :: (IsBoolFilter o, MonadIO m, IsExpression a) => a -> m (GValueConstruct o)

   gi-gtk4	GI.Gtk.Objects.BoolFilter

   Construct a GValueConstruct with valid value for the “expression” property. This is rarely needed directly, but it is used by new.

3. constructBoolFilterInvert :: (IsBoolFilter o, MonadIO m) => Bool -> m (GValueConstruct o)

   gi-gtk4	GI.Gtk.Objects.BoolFilter

   Construct a GValueConstruct with valid value for the “invert” property. This is rarely needed directly, but it is used by new.

4. getBoolFilterExpression :: (MonadIO m, IsBoolFilter o) => o -> m (Maybe Expression)

   gi-gtk4	GI.Gtk.Objects.BoolFilter

   Get the value of the “expression” property. When overloading is enabled, this is equivalent to

   get boolFilter #expression
   

5. getBoolFilterInvert :: (MonadIO m, IsBoolFilter o) => o -> m Bool

   gi-gtk4	GI.Gtk.Objects.BoolFilter

   Get the value of the “invert” property. When overloading is enabled, this is equivalent to

   get boolFilter #invert
   

6. setBoolFilterExpression :: (MonadIO m, IsBoolFilter o, IsExpression a) => o -> a -> m ()

   gi-gtk4	GI.Gtk.Objects.BoolFilter

   Set the value of the “expression” property. When overloading is enabled, this is equivalent to

   set boolFilter [ #expression := value ]
   

7. setBoolFilterInvert :: (MonadIO m, IsBoolFilter o) => o -> Bool -> m ()

   gi-gtk4	GI.Gtk.Objects.BoolFilter

   Set the value of the “invert” property. When overloading is enabled, this is equivalent to

   set boolFilter [ #invert := value ]
   

8. toBoolFilter :: (MonadIO m, IsBoolFilter o) => o -> m BoolFilter

   gi-gtk4	GI.Gtk.Objects.BoolFilter

   Cast to BoolFilter, for types for which this is known to be safe. For general casts, use castTo.

9. printSettingsGetBool :: (HasCallStack, MonadIO m, IsPrintSettings a) => a -> Text -> m Bool

   gi-gtk4	GI.Gtk.Objects.PrintSettings

   Returns the boolean represented by the value that is associated with key. The string “true” represents True, any other string False.

10. printSettingsSetBool :: (HasCallStack, MonadIO m, IsPrintSettings a) => a -> Text -> Bool -> m ()

    gi-gtk4	GI.Gtk.Objects.PrintSettings

    Sets key to a boolean value.

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