diff --git a/src/UIKit/UIAccessibility.cs b/src/UIKit/UIAccessibility.cs
index c4325c8deec8..7fe889e1e58b 100644
--- a/src/UIKit/UIAccessibility.cs
+++ b/src/UIKit/UIAccessibility.cs
@@ -37,23 +37,21 @@ public enum UIAccessibilityZoomType : long {
 	public static partial class UIAccessibility {
 		// UIAccessibility.h
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		extern static /* BOOL */ bool UIAccessibilityIsVoiceOverRunning ();
+		extern static /* BOOL */ byte UIAccessibilityIsVoiceOverRunning ();
 
 		static public bool IsVoiceOverRunning {
 			get {
-				return UIAccessibilityIsVoiceOverRunning ();
+				return UIAccessibilityIsVoiceOverRunning () != 0;
 			}
 		}
 
 		// UIAccessibility.h
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		extern static /* BOOL */ bool UIAccessibilityIsMonoAudioEnabled ();
+		extern static /* BOOL */ byte UIAccessibilityIsMonoAudioEnabled ();
 
 		static public bool IsMonoAudioEnabled {
 			get {
-				return UIAccessibilityIsMonoAudioEnabled ();
+				return UIAccessibilityIsMonoAudioEnabled () != 0;
 			}
 		}
 
@@ -85,8 +83,7 @@ public static NSObject FocusedElement (string assistiveTechnologyIdentifier)
 		[SupportedOSPlatform ("tvos")]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		extern static /* BOOL */ bool UIAccessibilityIsShakeToUndoEnabled ();
+		extern static /* BOOL */ byte UIAccessibilityIsShakeToUndoEnabled ();
 
 #if NET
 		[SupportedOSPlatform ("ios")]
@@ -95,40 +92,37 @@ public static NSObject FocusedElement (string assistiveTechnologyIdentifier)
 #endif
 		public static bool IsShakeToUndoEnabled {
 			get {
-				return UIAccessibilityIsShakeToUndoEnabled ();
+				return UIAccessibilityIsShakeToUndoEnabled () != 0;
 			}
 		}
 
 		// UIAccessibility.h
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		extern static /* BOOL */ bool UIAccessibilityIsClosedCaptioningEnabled ();
+		extern static /* BOOL */ byte UIAccessibilityIsClosedCaptioningEnabled ();
 
 		static public bool IsClosedCaptioningEnabled {
 			get {
-				return UIAccessibilityIsClosedCaptioningEnabled ();
+				return UIAccessibilityIsClosedCaptioningEnabled () != 0;
 			}
 		}
 
 		// UIAccessibility.h
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		extern static /* BOOL */ bool UIAccessibilityIsInvertColorsEnabled ();
+		extern static /* BOOL */ byte UIAccessibilityIsInvertColorsEnabled ();
 
 		static public bool IsInvertColorsEnabled {
 			get {
-				return UIAccessibilityIsInvertColorsEnabled ();
+				return UIAccessibilityIsInvertColorsEnabled () != 0;
 			}
 		}
 
 		// UIAccessibility.h
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		extern static /* BOOL */ bool UIAccessibilityIsGuidedAccessEnabled ();
+		extern static /* BOOL */ byte UIAccessibilityIsGuidedAccessEnabled ();
 
 		static public bool IsGuidedAccessEnabled {
 			get {
-				return UIAccessibilityIsGuidedAccessEnabled ();
+				return UIAccessibilityIsGuidedAccessEnabled () != 0;
 			}
 		}
 
@@ -229,7 +223,7 @@ public static CGRect ConvertFrameToScreenCoordinates (CGRect rect, UIView view)
 		[SupportedOSPlatform ("tvos")]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		extern unsafe static void UIAccessibilityRequestGuidedAccessSession (/* BOOL */ [MarshalAs (UnmanagedType.I1)] bool enable, /* void(^completionHandler)(BOOL didSucceed) */ BlockLiteral* completionHandler);
+		extern unsafe static void UIAccessibilityRequestGuidedAccessSession (/* BOOL */ byte enable, /* void(^completionHandler)(BOOL didSucceed) */ BlockLiteral* completionHandler);
 
 #if NET
 		[SupportedOSPlatform ("ios")]
@@ -247,7 +241,7 @@ public static void RequestGuidedAccessSession (bool enable, Action<bool> complet
 				using var block = new BlockLiteral ();
 				block.SetupBlock (callback, completionHandler);
 #endif
-				UIAccessibilityRequestGuidedAccessSession (enable, &block);
+				UIAccessibilityRequestGuidedAccessSession (enable ? (byte) 1 : (byte) 0, &block);
 			}
 		}
 
@@ -287,8 +281,7 @@ static unsafe void TrampolineRequestGuidedAccessSession (IntPtr block, byte enab
 		[SupportedOSPlatform ("tvos")]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		static extern bool UIAccessibilityDarkerSystemColorsEnabled ();
+		static extern byte UIAccessibilityDarkerSystemColorsEnabled ();
 
 #if NET
 		[SupportedOSPlatform ("ios")]
@@ -297,7 +290,7 @@ static unsafe void TrampolineRequestGuidedAccessSession (IntPtr block, byte enab
 #endif
 		public static bool DarkerSystemColorsEnabled {
 			get {
-				return UIAccessibilityDarkerSystemColorsEnabled ();
+				return UIAccessibilityDarkerSystemColorsEnabled () != 0;
 			}
 		}
 
@@ -305,7 +298,7 @@ public static bool DarkerSystemColorsEnabled {
 		[Obsolete ("Use 'DarkerSystemColorsEnabled' instead.")]
 		public static bool DarkerSystemColosEnabled {
 			get {
-				return UIAccessibilityDarkerSystemColorsEnabled ();
+				return UIAccessibilityDarkerSystemColorsEnabled () != 0;
 			}
 		}
 #endif
@@ -316,8 +309,7 @@ public static bool DarkerSystemColosEnabled {
 		[SupportedOSPlatform ("tvos")]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		static extern bool UIAccessibilityIsBoldTextEnabled ();
+		static extern byte UIAccessibilityIsBoldTextEnabled ();
 
 #if NET
 		[SupportedOSPlatform ("ios")]
@@ -326,7 +318,7 @@ public static bool DarkerSystemColosEnabled {
 #endif
 		public static bool IsBoldTextEnabled {
 			get {
-				return UIAccessibilityIsBoldTextEnabled ();
+				return UIAccessibilityIsBoldTextEnabled () != 0;
 			}
 		}
 
@@ -340,8 +332,7 @@ public static bool IsBoldTextEnabled {
 		[MacCatalyst (14, 0)]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		static extern bool UIAccessibilityButtonShapesEnabled ();
+		static extern byte UIAccessibilityButtonShapesEnabled ();
 
 #if NET
 		[SupportedOSPlatform ("tvos14.0")]
@@ -352,7 +343,7 @@ public static bool IsBoldTextEnabled {
 		[iOS (14, 0)]
 		[MacCatalyst (14, 0)]
 #endif
-		public static bool ButtonShapesEnabled => UIAccessibilityButtonShapesEnabled ();
+		public static bool ButtonShapesEnabled => UIAccessibilityButtonShapesEnabled () != 0;
 
 #if NET
 		[SupportedOSPlatform ("ios")]
@@ -360,8 +351,7 @@ public static bool IsBoldTextEnabled {
 		[SupportedOSPlatform ("tvos")]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		static extern bool UIAccessibilityIsGrayscaleEnabled ();
+		static extern byte UIAccessibilityIsGrayscaleEnabled ();
 
 #if NET
 		[SupportedOSPlatform ("ios")]
@@ -370,7 +360,7 @@ public static bool IsBoldTextEnabled {
 #endif
 		static public bool IsGrayscaleEnabled {
 			get {
-				return UIAccessibilityIsGrayscaleEnabled ();
+				return UIAccessibilityIsGrayscaleEnabled () != 0;
 			}
 		}
 
@@ -380,8 +370,7 @@ static public bool IsGrayscaleEnabled {
 		[SupportedOSPlatform ("tvos")]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		static extern bool UIAccessibilityIsReduceMotionEnabled ();
+		static extern byte UIAccessibilityIsReduceMotionEnabled ();
 
 #if NET
 		[SupportedOSPlatform ("ios")]
@@ -390,7 +379,7 @@ static public bool IsGrayscaleEnabled {
 #endif
 		static public bool IsReduceMotionEnabled {
 			get {
-				return UIAccessibilityIsReduceMotionEnabled ();
+				return UIAccessibilityIsReduceMotionEnabled () != 0;
 			}
 		}
 
@@ -404,8 +393,7 @@ static public bool IsReduceMotionEnabled {
 		[MacCatalyst (14, 0)]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		static extern bool UIAccessibilityPrefersCrossFadeTransitions ();
+		static extern byte UIAccessibilityPrefersCrossFadeTransitions ();
 
 #if NET
 		[SupportedOSPlatform ("tvos14.0")]
@@ -416,7 +404,7 @@ static public bool IsReduceMotionEnabled {
 		[iOS (14, 0)]
 		[MacCatalyst (14, 0)]
 #endif
-		public static bool PrefersCrossFadeTransitions => UIAccessibilityPrefersCrossFadeTransitions ();
+		public static bool PrefersCrossFadeTransitions => UIAccessibilityPrefersCrossFadeTransitions () != 0;
 
 #if NET
 		[SupportedOSPlatform ("ios13.0")]
@@ -427,8 +415,7 @@ static public bool IsReduceMotionEnabled {
 		[TV (13, 0)]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		static extern bool UIAccessibilityIsVideoAutoplayEnabled ();
+		static extern byte UIAccessibilityIsVideoAutoplayEnabled ();
 
 #if NET
 		[SupportedOSPlatform ("ios13.0")]
@@ -438,7 +425,7 @@ static public bool IsReduceMotionEnabled {
 		[iOS (13, 0)]
 		[TV (13, 0)]
 #endif
-		static public bool IsVideoAutoplayEnabled => UIAccessibilityIsVideoAutoplayEnabled ();
+		static public bool IsVideoAutoplayEnabled => UIAccessibilityIsVideoAutoplayEnabled () != 0;
 
 #if NET
 		[SupportedOSPlatform ("ios")]
@@ -446,8 +433,7 @@ static public bool IsReduceMotionEnabled {
 		[SupportedOSPlatform ("tvos")]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		static extern bool UIAccessibilityIsReduceTransparencyEnabled ();
+		static extern byte UIAccessibilityIsReduceTransparencyEnabled ();
 
 #if NET
 		[SupportedOSPlatform ("ios")]
@@ -456,7 +442,7 @@ static public bool IsReduceMotionEnabled {
 #endif
 		static public bool IsReduceTransparencyEnabled {
 			get {
-				return UIAccessibilityIsReduceTransparencyEnabled ();
+				return UIAccessibilityIsReduceTransparencyEnabled () != 0;
 			}
 		}
 
@@ -466,8 +452,7 @@ static public bool IsReduceTransparencyEnabled {
 		[SupportedOSPlatform ("tvos")]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		static extern bool UIAccessibilityIsSwitchControlRunning ();
+		static extern byte UIAccessibilityIsSwitchControlRunning ();
 
 #if NET
 		[SupportedOSPlatform ("ios")]
@@ -476,7 +461,7 @@ static public bool IsReduceTransparencyEnabled {
 #endif
 		static public bool IsSwitchControlRunning {
 			get {
-				return UIAccessibilityIsSwitchControlRunning ();
+				return UIAccessibilityIsSwitchControlRunning () != 0;
 			}
 		}
 
@@ -486,8 +471,7 @@ static public bool IsSwitchControlRunning {
 		[SupportedOSPlatform ("tvos")]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		static extern bool UIAccessibilityIsSpeakSelectionEnabled ();
+		static extern byte UIAccessibilityIsSpeakSelectionEnabled ();
 
 #if NET
 		[SupportedOSPlatform ("ios")]
@@ -496,7 +480,7 @@ static public bool IsSwitchControlRunning {
 #endif
 		static public bool IsSpeakSelectionEnabled {
 			get {
-				return UIAccessibilityIsSpeakSelectionEnabled ();
+				return UIAccessibilityIsSpeakSelectionEnabled () != 0;
 			}
 		}
 
@@ -506,8 +490,7 @@ static public bool IsSpeakSelectionEnabled {
 		[SupportedOSPlatform ("tvos")]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		static extern bool UIAccessibilityIsSpeakScreenEnabled ();
+		static extern byte UIAccessibilityIsSpeakScreenEnabled ();
 
 #if NET
 		[SupportedOSPlatform ("ios")]
@@ -516,7 +499,7 @@ static public bool IsSpeakSelectionEnabled {
 #endif
 		static public bool IsSpeakScreenEnabled {
 			get {
-				return UIAccessibilityIsSpeakScreenEnabled ();
+				return UIAccessibilityIsSpeakScreenEnabled () != 0;
 			}
 		}
 
@@ -526,8 +509,7 @@ static public bool IsSpeakScreenEnabled {
 		[SupportedOSPlatform ("maccatalyst")]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		static extern bool UIAccessibilityIsAssistiveTouchRunning ();
+		static extern byte UIAccessibilityIsAssistiveTouchRunning ();
 
 #if NET
 		[SupportedOSPlatform ("ios")]
@@ -536,7 +518,7 @@ static public bool IsSpeakScreenEnabled {
 #endif
 		public static bool IsAssistiveTouchRunning {
 			get {
-				return UIAccessibilityIsAssistiveTouchRunning ();
+				return UIAccessibilityIsAssistiveTouchRunning () != 0;
 			}
 		}
 
@@ -549,8 +531,7 @@ public static bool IsAssistiveTouchRunning {
 		[TV (13, 0)]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		static extern bool UIAccessibilityShouldDifferentiateWithoutColor ();
+		static extern byte UIAccessibilityShouldDifferentiateWithoutColor ();
 
 #if NET
 		[SupportedOSPlatform ("ios13.0")]
@@ -560,7 +541,7 @@ public static bool IsAssistiveTouchRunning {
 		[iOS (13, 0)]
 		[TV (13, 0)]
 #endif
-		public static bool ShouldDifferentiateWithoutColor => UIAccessibilityShouldDifferentiateWithoutColor ();
+		public static bool ShouldDifferentiateWithoutColor => UIAccessibilityShouldDifferentiateWithoutColor () != 0;
 
 #if NET
 		[SupportedOSPlatform ("ios13.0")]
@@ -571,8 +552,7 @@ public static bool IsAssistiveTouchRunning {
 		[TV (13, 0)]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		static extern bool UIAccessibilityIsOnOffSwitchLabelsEnabled ();
+		static extern byte UIAccessibilityIsOnOffSwitchLabelsEnabled ();
 
 #if NET
 		[SupportedOSPlatform ("ios13.0")]
@@ -582,7 +562,7 @@ public static bool IsAssistiveTouchRunning {
 		[iOS (13, 0)]
 		[TV (13, 0)]
 #endif
-		public static bool IsOnOffSwitchLabelsEnabled => UIAccessibilityIsOnOffSwitchLabelsEnabled ();
+		public static bool IsOnOffSwitchLabelsEnabled => UIAccessibilityIsOnOffSwitchLabelsEnabled () != 0;
 
 #if !TVOS
 #if NET
diff --git a/src/UIKit/UIContentSizeCategory.cs b/src/UIKit/UIContentSizeCategory.cs
index 86269c7bb620..7c694a9a33ce 100644
--- a/src/UIKit/UIContentSizeCategory.cs
+++ b/src/UIKit/UIContentSizeCategory.cs
@@ -41,8 +41,7 @@ public static NSComparisonResult Compare (UIContentSizeCategory category1, UICon
 		[SupportedOSPlatform ("maccatalyst")]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		[return: MarshalAs (UnmanagedType.I1)]
-		static extern bool UIContentSizeCategoryIsAccessibilityCategory (IntPtr /* NSString */ category);
+		static extern byte UIContentSizeCategoryIsAccessibilityCategory (IntPtr /* NSString */ category);
 
 #if NET
 		[SupportedOSPlatform ("ios")]
@@ -55,7 +54,7 @@ static public bool IsAccessibilityCategory (this UIContentSizeCategory self)
 			if (c1 is null)
 				throw new ArgumentException ($"Unknown 'UIContentSizeCategory' value");
 
-			return UIContentSizeCategoryIsAccessibilityCategory (c1.Handle);
+			return UIContentSizeCategoryIsAccessibilityCategory (c1.Handle) != 0;
 		}
 	}
 }
diff --git a/src/UIKit/UIGuidedAccessRestriction.cs b/src/UIKit/UIGuidedAccessRestriction.cs
index 1177c3a3d9b8..4a519988d658 100644
--- a/src/UIKit/UIGuidedAccessRestriction.cs
+++ b/src/UIKit/UIGuidedAccessRestriction.cs
@@ -50,7 +50,7 @@ public static UIGuidedAccessRestrictionState GetState (string restrictionIdentif
 		[iOS (12,2)]
 #endif
 		[DllImport (Constants.UIKitLibrary)]
-		static unsafe extern void UIGuidedAccessConfigureAccessibilityFeatures (/* UIGuidedAccessAccessibilityFeature */ nuint features, [MarshalAs (UnmanagedType.I1)] bool enabled, BlockLiteral* completion);
+		static unsafe extern void UIGuidedAccessConfigureAccessibilityFeatures (/* UIGuidedAccessAccessibilityFeature */ nuint features, byte enabled, BlockLiteral* completion);
 
 #if NET
 		// [SupportedOSPlatform ("ios12.2")] -- Not valid for Delegates
@@ -106,7 +106,7 @@ public static void ConfigureAccessibilityFeatures (UIGuidedAccessAccessibilityFe
 				using var block = new BlockLiteral ();
 				block.SetupBlockUnsafe (UIGuidedAccessConfigureAccessibilityFeaturesTrampoline.Handler, completionHandler);
 #endif
-				UIGuidedAccessConfigureAccessibilityFeatures ((nuint) (ulong) features, enabled, &block);
+				UIGuidedAccessConfigureAccessibilityFeatures ((nuint) (ulong) features, enabled ? (byte) 1 : (byte) 0, &block);
 			}
 		}
 
diff --git a/tests/cecil-tests/BlittablePInvokes.KnownFailures.cs b/tests/cecil-tests/BlittablePInvokes.KnownFailures.cs
index 25cee30bd483..1cb33b1903e0 100644
--- a/tests/cecil-tests/BlittablePInvokes.KnownFailures.cs
+++ b/tests/cecil-tests/BlittablePInvokes.KnownFailures.cs
@@ -551,27 +551,6 @@ public partial class BlittablePInvokes {
 			"System.Boolean SystemConfiguration.NetworkReachability::SCNetworkReachabilitySetCallback(System.IntPtr,method System.Void *(System.IntPtr,SystemConfiguration.NetworkReachabilityFlags,System.IntPtr),System.IntPtr)",
 			"System.Boolean SystemConfiguration.NetworkReachability::SCNetworkReachabilitySetCallback(System.IntPtr,method System.Void *(System.IntPtr,SystemConfiguration.NetworkReachabilityFlags,System.IntPtr),SystemConfiguration.NetworkReachability/SCNetworkReachabilityContext&)",
 			"System.Boolean SystemConfiguration.NetworkReachability::SCNetworkReachabilitySetDispatchQueue(System.IntPtr,System.IntPtr)",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityButtonShapesEnabled()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityDarkerSystemColorsEnabled()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsAssistiveTouchRunning()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsBoldTextEnabled()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsClosedCaptioningEnabled()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsGrayscaleEnabled()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsGuidedAccessEnabled()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsInvertColorsEnabled()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsMonoAudioEnabled()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsOnOffSwitchLabelsEnabled()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsReduceMotionEnabled()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsReduceTransparencyEnabled()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsShakeToUndoEnabled()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsSpeakScreenEnabled()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsSpeakSelectionEnabled()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsSwitchControlRunning()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsVideoAutoplayEnabled()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityIsVoiceOverRunning()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityPrefersCrossFadeTransitions()",
-			"System.Boolean UIKit.UIAccessibility::UIAccessibilityShouldDifferentiateWithoutColor()",
-			"System.Boolean UIKit.UIContentSizeCategoryExtensions::UIContentSizeCategoryIsAccessibilityCategory(System.IntPtr)",
 			"System.Boolean UIKit.UIFloatRange::UIFloatRangeIsInfinite(UIKit.UIFloatRange)",
 			"System.Boolean UIKit.UIVideo::UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(System.IntPtr)",
 			"System.Boolean VideoToolbox.VTDecompressionSession::VTIsHardwareDecodeSupported(CoreMedia.CMVideoCodecType)",
@@ -844,9 +823,7 @@ public partial class BlittablePInvokes {
 			"System.Void ObjCRuntime.Protocol::protocol_addProperty(System.IntPtr,System.IntPtr,System.IntPtr*,System.Int32,System.Boolean,System.Boolean)",
 			"System.Void ObjCRuntime.Runtime::xamarin_switch_gchandle(System.IntPtr,System.Boolean)",
 			"System.Void OpenGLES.EAGLContext::EAGLGetVersion(System.UIntPtr&,System.UIntPtr&)",
-			"System.Void UIKit.UIAccessibility::UIAccessibilityRequestGuidedAccessSession(System.Boolean,ObjCRuntime.BlockLiteral*)",
 			"System.Void UIKit.UIGraphics::BeginImageContextWithOptions(CoreGraphics.CGSize,System.Boolean,System.Runtime.InteropServices.NFloat)",
-			"System.Void UIKit.UIGuidedAccessRestriction::UIGuidedAccessConfigureAccessibilityFeatures(System.UIntPtr,System.Boolean,ObjCRuntime.BlockLiteral*)",
 			"VideoToolbox.VTStatus VideoToolbox.VTCompressionSession::VTCompressionSessionCreate(System.IntPtr,System.Int32,System.Int32,CoreMedia.CMVideoCodecType,System.IntPtr,System.IntPtr,System.IntPtr,method System.Void *(System.IntPtr,System.IntPtr,VideoToolbox.VTStatus,VideoToolbox.VTEncodeInfoFlags,System.IntPtr),System.IntPtr,System.IntPtr&)",
 			"VideoToolbox.VTStatus VideoToolbox.VTCompressionSession::VTCompressionSessionEncodeFrame(System.IntPtr,System.IntPtr,CoreMedia.CMTime,CoreMedia.CMTime,System.IntPtr,System.IntPtr,VideoToolbox.VTEncodeInfoFlags&)",
 			"VideoToolbox.VTStatus VideoToolbox.VTCompressionSession::VTCompressionSessionEndPass(System.IntPtr,System.Byte&,System.IntPtr)",