Annotate various Delegate protocols as NS_SWIFT_UI_ACTOR

PiperOrigin-RevId: 708413470
material-components · Dec 20, 2024 · 24a0ffb · 24a0ffb
1 parent 554b1f5
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diff --git a/components/ActionSheet/src/MDCActionSheetControllerDelegate.h b/components/ActionSheet/src/MDCActionSheetControllerDelegate.h
@@ -34,6 +34,7 @@ API_DEPRECATED("🕘 Schedule time to migrate. "
                "confirmations. "
                "This is go/material-ios-migrations#not-scriptable 🕘",
                ios(12, 12))
+NS_SWIFT_UI_ACTOR
 @protocol MDCActionSheetControllerDelegate <NSObject>
 @optional
 

diff --git a/components/ActivityIndicator/src/MDCActivityIndicatorDelegate.h b/components/ActivityIndicator/src/MDCActivityIndicatorDelegate.h
@@ -21,6 +21,7 @@
 /**
  Delegate protocol for the MDCActivityIndicator.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCActivityIndicatorDelegate <NSObject>
 
 @optional

diff --git a/components/AppBar/src/MDCAppBarNavigationController.h b/components/AppBar/src/MDCAppBarNavigationController.h
@@ -41,6 +41,7 @@ API_DEPRECATED(
     "Use branded UINavigationController instead: go/material-ios-top-app-bars/gm2-migration. "
     "This is go/material-ios-migrations#not-scriptable 🕘",
     ios(11, 12))
+NS_SWIFT_UI_ACTOR
 @protocol
     MDCAppBarNavigationControllerDelegate <UINavigationControllerDelegate,
                                            MDCAppBarNavigationControllerToBeDeprecatedDelegate>

diff --git a/components/AppBar/src/MDCAppBarNavigationControllerToBeDeprecatedDelegate.h b/components/AppBar/src/MDCAppBarNavigationControllerToBeDeprecatedDelegate.h
@@ -33,6 +33,7 @@ API_DEPRECATED(
     "Use branded UINavigationController instead: go/material-ios-top-app-bars/gm2-migration. "
     "This is go/material-ios-migrations#not-scriptable 🕘",
     ios(11, 12))
+NS_SWIFT_UI_ACTOR
 @protocol MDCAppBarNavigationControllerToBeDeprecatedDelegate <NSObject>
 @optional
 

diff --git a/components/AppBar/src/MDCAppBarViewControllerAccessibilityPerformEscapeDelegate.h b/components/AppBar/src/MDCAppBarViewControllerAccessibilityPerformEscapeDelegate.h
@@ -34,6 +34,7 @@ API_DEPRECATED(
     "This is go/material-ios-migrations#not-scriptable 🕘",
     ios(11, 12))
 API_UNAVAILABLE(tvos, watchos)
+NS_SWIFT_UI_ACTOR
 @protocol MDCAppBarViewControllerAccessibilityPerformEscapeDelegate <NSObject>
 @required
 

diff --git a/components/BottomNavigation/src/MDCBottomNavigationBarControllerDelegate.h b/components/BottomNavigation/src/MDCBottomNavigationBarControllerDelegate.h
@@ -24,6 +24,7 @@ NS_ASSUME_NONNULL_BEGIN
  The protocol for clients of the MDCBottomNavigationBarController to conform to for updates on the
  bottom navigation bar, manage selection, and other possible actions.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCBottomNavigationBarControllerDelegate <NSObject>
 @optional
 /**

diff --git a/components/BottomNavigation/src/MDCBottomNavigationBarDelegate.h b/components/BottomNavigation/src/MDCBottomNavigationBarDelegate.h
@@ -22,6 +22,7 @@
  Delegate protocol for MDCBottomNavigationBar. Clients may implement this protocol to receive
  notifications of selection changes by user action in the bottom navigation bar.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCBottomNavigationBarDelegate <UINavigationBarDelegate>
 
 @optional

diff --git a/components/BottomSheet/src/MDCBottomSheetControllerDelegate.h b/components/BottomSheet/src/MDCBottomSheetControllerDelegate.h
@@ -21,6 +21,7 @@
 /**
  Delegate for MDCBottomSheetController.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCBottomSheetControllerDelegate <NSObject>
 @optional
 /**

diff --git a/components/BottomSheet/src/MDCBottomSheetPresentationControllerDelegate.h b/components/BottomSheet/src/MDCBottomSheetPresentationControllerDelegate.h
@@ -23,6 +23,7 @@ typedef NS_ENUM(NSUInteger, MDCSheetState);
 /**
  Delegate for MDCBottomSheetPresentationController.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCBottomSheetPresentationControllerDelegate <UIAdaptivePresentationControllerDelegate>
 @optional
 

diff --git a/components/BottomSheet/src/MDCBottomSheetTransitionControllerDelegate.h b/components/BottomSheet/src/MDCBottomSheetTransitionControllerDelegate.h
@@ -19,6 +19,7 @@
 /**
  Methods for managing lifecycle events of an @c MDCBottomSheetTransitionController.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCBottomSheetTransitionControllerDelegate <NSObject>
 @optional
 /**

diff --git a/components/BottomSheet/src/private/MDCDraggableViewDelegate.h b/components/BottomSheet/src/private/MDCDraggableViewDelegate.h
@@ -19,6 +19,7 @@
 /**
  * Delegate protocol to control when dragging should be allowed and to respond to dragging events.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCDraggableViewDelegate <NSObject>
 
 /**

diff --git a/components/BottomSheet/src/private/MDCSheetContainerViewDelegate.h b/components/BottomSheet/src/private/MDCSheetContainerViewDelegate.h
@@ -20,6 +20,7 @@ typedef NS_ENUM(NSUInteger, MDCSheetState);
 
 NS_ASSUME_NONNULL_BEGIN
 
+NS_SWIFT_UI_ACTOR
 @protocol MDCSheetContainerViewDelegate <NSObject>
 
 - (void)sheetContainerViewDidHide:(MDCSheetContainerView *)containerView;

diff --git a/components/ButtonBar/src/MDCButtonBarDelegate.h b/components/ButtonBar/src/MDCButtonBarDelegate.h
@@ -35,6 +35,7 @@ API_DEPRECATED_BEGIN(
 
  @seealso MDCBarButtonItemLayoutHints
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCButtonBarDelegate <NSObject>
 @optional
 

diff --git a/components/Buttons/src/private/MDCFloatingButtonModeAnimatorDelegate.h b/components/Buttons/src/private/MDCFloatingButtonModeAnimatorDelegate.h
@@ -27,6 +27,7 @@ API_DEPRECATED_BEGIN("🤖👀 Use branded M3CButton instead. "
 /**
  MDCFloatingButtonModeAnimator uses this delegate to interact with its owning context.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCFloatingButtonModeAnimatorDelegate <NSObject>
 @required
 

diff --git a/components/Chips/src/MDCChipField.m b/components/Chips/src/MDCChipField.m
@@ -44,6 +44,7 @@
     MDCChipFieldVerticalInset, MDCChipFieldHorizontalInset, MDCChipFieldVerticalInset,
     MDCChipFieldHorizontalInset};
 
+NS_SWIFT_UI_ACTOR
 @protocol MDCChipFieldTextFieldDelegate <NSObject>
 
 - (void)textFieldDidDelete:(UITextField *)textField;

diff --git a/components/Chips/src/MDCChipFieldDelegate.h b/components/Chips/src/MDCChipFieldDelegate.h
@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+NS_SWIFT_UI_ACTOR
 @protocol MDCChipFieldDelegate <NSObject>
 
 @optional

diff --git a/components/Collections/src/MDCCollectionViewEditingDelegate.h b/components/Collections/src/MDCCollectionViewEditingDelegate.h
@@ -27,6 +27,7 @@ API_DEPRECATED_BEGIN("🕘 Schedule time to migrate. "
   - Individual cells being swiped horizontally for dismissal.
   - Entire cell sections being swiped horizontally for dismissal.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCCollectionViewEditingDelegate <NSObject>
 
 @optional

diff --git a/components/Collections/src/MDCCollectionViewStylingDelegate.h b/components/Collections/src/MDCCollectionViewStylingDelegate.h
@@ -27,6 +27,7 @@ API_DEPRECATED_BEGIN("🕘 Schedule time to migrate. "
 @class MDCRippleView;
 
 /** A delegate protocol which allows setting collection view cell styles. */
+NS_SWIFT_UI_ACTOR
 @protocol MDCCollectionViewStylingDelegate <NSObject>
 @optional
 

diff --git a/components/Collections/src/private/MDCCollectionInfoBarViewDelegate.h b/components/Collections/src/private/MDCCollectionInfoBarViewDelegate.h
@@ -21,6 +21,7 @@ API_DEPRECATED_BEGIN("🕘 Schedule time to migrate. "
 
 @class MDCCollectionInfoBarView;
 
+NS_SWIFT_UI_ACTOR
 @protocol MDCCollectionInfoBarViewDelegate <NSObject>
 @required
 /**

diff --git a/components/Dialogs/src/MDCAlertControllerDelegate.h b/components/Dialogs/src/MDCAlertControllerDelegate.h
@@ -17,6 +17,7 @@
 @class MDCAlertAction;
 @class MDCAlertController;
 
+NS_SWIFT_UI_ACTOR
 @protocol MDCAlertControllerDelegate <NSObject>
 
 @optional

diff --git a/components/Dialogs/src/MDCDialogPresentationControllerDelegate.h b/components/Dialogs/src/MDCDialogPresentationControllerDelegate.h
@@ -20,6 +20,7 @@
  MDCDialogPresentationControllerDelegate provides a method that allows a delegate of an
  MDCDialogPresentationController to respond to its dismissals.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCDialogPresentationControllerDelegate <NSObject>
 @optional
 /**

diff --git a/components/FlexibleHeader/src/MDCFlexibleHeaderViewAnimationDelegate.h b/components/FlexibleHeader/src/MDCFlexibleHeaderViewAnimationDelegate.h
@@ -22,6 +22,7 @@ API_DEPRECATED_BEGIN("Use a branded UINavigationController instead.", ios(12, AP
  An object may conform to this protocol in order to receive animation events caused by a
  MDCFlexibleHeaderView.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCFlexibleHeaderViewAnimationDelegate <NSObject>
 @optional
 

diff --git a/components/FlexibleHeader/src/MDCFlexibleHeaderViewDelegate.h b/components/FlexibleHeader/src/MDCFlexibleHeaderViewDelegate.h
@@ -24,6 +24,7 @@ API_DEPRECATED_BEGIN("Use a branded UINavigationController instead.", ios(12, AP
 
  The delegate is typically the UIViewController that owns this flexible header view.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCFlexibleHeaderViewDelegate <NSObject>
 @required
 

diff --git a/components/FlexibleHeader/src/MDCFlexibleHeaderViewLayoutDelegate.h b/components/FlexibleHeader/src/MDCFlexibleHeaderViewLayoutDelegate.h
@@ -23,6 +23,7 @@ API_DEPRECATED_BEGIN("Use a branded UINavigationController instead.", ios(12, AP
  An object may conform to this protocol in order to receive layout change events caused by a
  MDCFlexibleHeaderView.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCFlexibleHeaderViewLayoutDelegate <NSObject>
 @required
 

diff --git a/components/FlexibleHeader/src/private/MDCFlexibleHeaderHairline.m b/components/FlexibleHeader/src/private/MDCFlexibleHeaderHairline.m
@@ -20,6 +20,7 @@ @protocol MDCFlexibleHeaderHairlineViewDelegate;
 @property(nonatomic, weak) id<MDCFlexibleHeaderHairlineViewDelegate> delegate;
 @end
 
+NS_SWIFT_UI_ACTOR
 @protocol MDCFlexibleHeaderHairlineViewDelegate <NSObject>
 @required
 

diff --git a/components/FlexibleHeader/src/private/MDCFlexibleHeaderMinMaxHeightDelegate.h b/components/FlexibleHeader/src/private/MDCFlexibleHeaderMinMaxHeightDelegate.h
@@ -22,6 +22,7 @@ API_DEPRECATED_BEGIN("Use a branded UINavigationController instead.", ios(12, AP
  The delegate protocol through which MDCFlexibleHeaderMinMaxHeight communicates changes in the
  minimum and maximum height.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCFlexibleHeaderMinMaxHeightDelegate <NSObject>
 @required
 

diff --git a/components/FlexibleHeader/src/private/MDCStatusBarShifterDelegate.h b/components/FlexibleHeader/src/private/MDCStatusBarShifterDelegate.h
@@ -22,6 +22,7 @@ API_DEPRECATED_BEGIN("Use a branded UINavigationController instead.", ios(12, AP
  The MDCStatusBarShifterDelegate protocol allows a delegate to react to changes in the status bar
  shifter's state.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCStatusBarShifterDelegate <NSObject>
 @required
 

diff --git a/components/Ink/src/MDCInkTouchControllerDelegate.h b/components/Ink/src/MDCInkTouchControllerDelegate.h
@@ -23,6 +23,7 @@ API_DEPRECATED_BEGIN(
 @class MDCInkTouchController;
 @class MDCInkView;
 
+NS_SWIFT_UI_ACTOR
 @protocol MDCInkTouchControllerDelegate <NSObject>
 @optional
 

diff --git a/components/Ink/src/private/MDCInkLayerDelegate.h b/components/Ink/src/private/MDCInkLayerDelegate.h
@@ -26,6 +26,7 @@ API_DEPRECATED_BEGIN(
  Delegate protocol for the MDCInkLayer. Clients may implement this protocol to receive updates when
  ink layer animations start and end.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCInkLayerDelegate <CALayerDelegate>
 
 @optional

diff --git a/components/Ink/src/private/MDCLegacyInkLayerDelegate.h b/components/Ink/src/private/MDCLegacyInkLayerDelegate.h
@@ -20,6 +20,7 @@
  Delegate protocol for the MDCLegacyInkLayer. Clients may implement this protocol to receive updates
  when ink layer animations start and end.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCLegacyInkLayerDelegate <NSObject>
 
 @optional

diff --git a/components/Ink/src/private/MDCLegacyInkLayerRippleDelegate.h b/components/Ink/src/private/MDCLegacyInkLayerRippleDelegate.h
@@ -22,6 +22,7 @@ API_DEPRECATED_BEGIN(
 
 @class MDCLegacyInkLayerRipple;
 
+NS_SWIFT_UI_ACTOR
 @protocol MDCLegacyInkLayerRippleDelegate <MDCLegacyInkLayerDelegate>
 
 /// Called if MDCLegacyInkLayerRipple did start animating.

diff --git a/components/NavigationDrawer/src/MDCBottomDrawerPresentationControllerDelegate.h b/components/NavigationDrawer/src/MDCBottomDrawerPresentationControllerDelegate.h
@@ -21,6 +21,7 @@
 /**
  Delegate for MDCBottomSheetPresentationController.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCBottomDrawerPresentationControllerDelegate <UIAdaptivePresentationControllerDelegate>
 /**
  This method is called when the bottom drawer will change its presented state to one of the

diff --git a/components/NavigationDrawer/src/MDCBottomDrawerViewControllerDelegate.h b/components/NavigationDrawer/src/MDCBottomDrawerViewControllerDelegate.h
@@ -19,6 +19,7 @@
 /**
  Delegate for MDCBottomDrawerViewController.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCBottomDrawerViewControllerDelegate <NSObject>
 
 @optional

diff --git a/components/NavigationDrawer/src/private/MDCBottomDrawerContainerViewControllerDelegate.h b/components/NavigationDrawer/src/private/MDCBottomDrawerContainerViewControllerDelegate.h
@@ -19,6 +19,7 @@
 /**
  Delegate for MDCBottomDrawerContainerViewController.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCBottomDrawerContainerViewControllerDelegate <NSObject>
 
 /**

diff --git a/components/Ripple/src/MDCRippleTouchControllerDelegate.h b/components/Ripple/src/MDCRippleTouchControllerDelegate.h
@@ -26,6 +26,7 @@ API_DEPRECATED_BEGIN(
 /**
  Delegate methods for MDCRippleTouchController.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCRippleTouchControllerDelegate <NSObject>
 @optional
 

diff --git a/components/Ripple/src/MDCRippleViewDelegate.h b/components/Ripple/src/MDCRippleViewDelegate.h
@@ -26,6 +26,7 @@ API_DEPRECATED_BEGIN(
  The ripple view delegate protocol. Clients may implement this protocol to receive updates on
  the ripple's animation lifecycle.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCRippleViewDelegate <NSObject>
 
 @optional

diff --git a/components/Ripple/src/private/MDCRippleLayerDelegate.h b/components/Ripple/src/private/MDCRippleLayerDelegate.h
@@ -20,6 +20,7 @@
  The ripple layer delegate protocol to let MDCRippleView know of the layer's
  ripple animation timeline.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCRippleLayerDelegate <CALayerDelegate>
 
 /**

diff --git a/components/Slider/src/MDCSliderDelegate.h b/components/Slider/src/MDCSliderDelegate.h
@@ -21,6 +21,7 @@ API_DEPRECATED_BEGIN("🤖👀 Use go/material-ios-branding UISlider instead. "
 
 @class MDCSlider;
 
+NS_SWIFT_UI_ACTOR
 @protocol MDCSliderDelegate <NSObject>
 @optional
 

diff --git a/components/Snackbar/src/MDCSnackbarManagerDelegate.h b/components/Snackbar/src/MDCSnackbarManagerDelegate.h
@@ -22,6 +22,7 @@ NS_ASSUME_NONNULL_BEGIN
 /**
  Delegate protocol for the MDCSnackbarManager.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCSnackbarManagerDelegate <NSObject>
 
 /**

diff --git a/components/Tabs/src/MDCTabBarControllerDelegate.h b/components/Tabs/src/MDCTabBarControllerDelegate.h
@@ -21,6 +21,7 @@ API_DEPRECATED_BEGIN("🤖👀 Use a branded MDCTabBarView instead. "
 
 @class MDCTabBarViewController;
 
+NS_SWIFT_UI_ACTOR
 @protocol MDCTabBarControllerDelegate <NSObject>
 @optional
 

diff --git a/components/Tabs/src/MDCTabBarDelegate.h b/components/Tabs/src/MDCTabBarDelegate.h
@@ -25,6 +25,7 @@ API_DEPRECATED_BEGIN("🤖👀 Use a branded MDCTabBarView instead. "
  Delegate protocol for MDCTabBar. Clients may implement this protocol to receive notifications of
  selection changes in the tab bar or to determine the bar's position.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCTabBarDelegate <UIBarPositioningDelegate>
 
 @optional

diff --git a/components/Tabs/src/TabBarView/MDCTabBarViewDelegate.h b/components/Tabs/src/TabBarView/MDCTabBarViewDelegate.h
@@ -22,6 +22,7 @@ NS_ASSUME_NONNULL_BEGIN
 /**
  Methods for notification and control of selection events for @c MDCTabBarView.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCTabBarViewDelegate <NSObject>
 
 @optional

diff --git a/components/Tabs/src/TabBarView/private/MDCTabBarViewItemViewDelegate.h b/components/Tabs/src/TabBarView/private/MDCTabBarViewItemViewDelegate.h
@@ -38,6 +38,7 @@ typedef NS_ENUM(NSUInteger, MDCTabBarViewItemViewStyle) {
   MDCTabBarViewItemViewStyleTextAndImage = 2,
 };
 
+NS_SWIFT_UI_ACTOR
 @protocol MDCTabBarViewItemViewDelegate <NSObject>
 
 /* Minimum item width*/

diff --git a/components/Tabs/src/private/MDCItemBarDelegate.h b/components/Tabs/src/private/MDCItemBarDelegate.h
@@ -20,6 +20,7 @@
  Delegate protocol for MDCItemBar. Clients may implement this protocol to receive notifications of
  selection changes.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCItemBarDelegate <NSObject>
 /**
  Called before the selected item changes by user action. This method is not called for programmatic

diff --git a/components/TextControls/src/BaseTextAreas/MDCBaseTextAreaDelegate.h b/components/TextControls/src/BaseTextAreas/MDCBaseTextAreaDelegate.h
@@ -26,6 +26,7 @@ API_DEPRECATED_BEGIN(
 This delegate protocol for @c MDCBaseTextArea and its subclasses provides updates about the text
 area unrelated to the text area's contained @c textView.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCBaseTextAreaDelegate <NSObject>
 
 @optional

diff --git a/components/TextControls/src/BaseTextAreas/private/MDCBaseTextAreaTextView.h b/components/TextControls/src/BaseTextAreas/private/MDCBaseTextAreaTextView.h
@@ -26,6 +26,7 @@ API_DEPRECATED_BEGIN(
  This protocol allows the MDCBaseTextAreaTextView to inform the text area of important responder
  events.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCBaseTextAreaTextViewDelegate <NSObject>
 
 /**

diff --git a/components/TextControls/src/BaseTextFields/MDCBaseTextFieldDelegate.h b/components/TextControls/src/BaseTextFields/MDCBaseTextFieldDelegate.h
@@ -26,6 +26,7 @@ API_DEPRECATED_BEGIN(
 This delegate protocol for @c MDCBaseTextField and its subclasses provides updates not already
 covered by @c UITextFieldDelegate.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCBaseTextFieldDelegate <NSObject>
 
 @optional

diff --git a/components/TextFields/src/MDCMultilineTextInputDelegate.h b/components/TextFields/src/MDCMultilineTextInputDelegate.h
@@ -26,6 +26,7 @@ API_DEPRECATED_BEGIN(
  MDCMultilineTextInputDelegate has a method common to the UITextFieldDelegate protocol but not
  found in UITextViewDelegate.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCMultilineTextInputDelegate <NSObject>
 
 @optional

diff --git a/components/TextFields/src/MDCMultilineTextInputLayoutDelegate.h b/components/TextFields/src/MDCMultilineTextInputLayoutDelegate.h
@@ -22,6 +22,7 @@ API_DEPRECATED_BEGIN(
     "This is go/material-ios-migrations#not-scriptable 🕘",
     ios(12, 12))
 
+NS_SWIFT_UI_ACTOR
 @protocol MDCMultilineTextInputLayoutDelegate <NSObject>
 
 @optional

diff --git a/components/TextFields/src/MDCTextFieldPositioningDelegate.h b/components/TextFields/src/MDCTextFieldPositioningDelegate.h
@@ -26,6 +26,7 @@ API_DEPRECATED_BEGIN(
 
  Usually, these methods are direct mirrors of internal methods with the addition of a default value.
  */
+NS_SWIFT_UI_ACTOR
 @protocol MDCTextInputPositioningDelegate <NSObject>
 
 @optional
-Original file line number
+Diff line change
@@ Expand Up / @@ -19,6 +19,7 @@ @@
     /**
      * Delegate protocol to control when dragging should be allowed and to respond to dragging events.
      */
+    NS_SWIFT_UI_ACTOR
     @protocol MDCDraggableViewDelegate <NSObject>
     /**
@@ Expand Down @@