public virtual void GenerateCGImageAsynchronously (CoreMedia.CMTime requestedTime, AVAssetImageGenerateAsynchronouslyForTimeCompletionHandler handler);

public bool SetCategory (AVAudioSessionCategory category, AVAudioSessionCategoryOptions options, out Foundation.NSError outError);
public Foundation.NSError SetCategory (AVAudioSessionCategory category, AVAudioSessionMode mode, AVAudioSessionCategoryOptions options);
public Foundation.NSError SetCategory (AVAudioSessionCategory category, string mode, AVAudioSessionCategoryOptions options);
public bool SetCategory (AVAudioSessionCategory category, AVAudioSessionMode mode, AVAudioSessionCategoryOptions options, out Foundation.NSError outError);
public bool SetCategory (AVAudioSessionCategory category, string mode, AVAudioSessionCategoryOptions options, out Foundation.NSError outError);
public bool SetCategory (AVAudioSessionCategory category, AVAudioSessionMode mode, AVAudioSessionRouteSharingPolicy policy, AVAudioSessionCategoryOptions options, out Foundation.NSError outError);
public bool SetCategory (AVAudioSessionCategory category, string mode, AVAudioSessionRouteSharingPolicy policy, AVAudioSessionCategoryOptions options, out Foundation.NSError outError);
public bool SetMode (AVAudioSessionMode mode, out Foundation.NSError error);

public AVAudioSinkNode (AVAudioSinkNodeReceiverHandler2 receiverHandler);
public AVAudioSinkNode (AVAudioSinkNodeReceiverHandlerRaw receiverHandler);

public virtual float HardwareCost { get; }
public static Foundation.NSString PresetiFrame960x540 { get; }

public sealed delegate AVAssetImageGenerateAsynchronouslyForTimeCompletionHandler : System.MulticastDelegate {
	// constructors
	public AVAssetImageGenerateAsynchronouslyForTimeCompletionHandler (object object, IntPtr method);
	// methods
	public virtual System.IAsyncResult BeginInvoke (CoreGraphics.CGImage imageRef, CoreMedia.CMTime actualTime, Foundation.NSError error, System.AsyncCallback callback, object object);
	public virtual void EndInvoke (System.IAsyncResult result);
	public virtual void Invoke (CoreGraphics.CGImage imageRef, CoreMedia.CMTime actualTime, Foundation.NSError error);
}

public static class AVAudioSessionCategoryExtensions {
	// methods
	public static Foundation.NSString GetConstant (this AVAudioSessionCategory self);
	public static AVAudioSessionCategory GetValue (Foundation.NSString constant);
}

[Serializable]
public enum AVAudioSessionMode {
	Default = 0,
	GameChat = 4,
	Measurement = 3,
	MoviePlayback = 5,
	SpokenAudio = 7,
	VideoChat = 6,
	VideoRecording = 2,
	VoiceChat = 1,
	VoicePrompt = 8,
}

public static class AVAudioSessionModeExtensions {
	// methods
	public static Foundation.NSString GetConstant (this AVAudioSessionMode self);
	public static AVAudioSessionMode GetValue (Foundation.NSString constant);
}

public sealed delegate AVAudioSinkNodeReceiverHandler2 : System.MulticastDelegate {
	// constructors
	public AVAudioSinkNodeReceiverHandler2 (object object, IntPtr method);
	// methods
	public virtual System.IAsyncResult BeginInvoke (AudioToolbox.AudioTimeStamp timestamp, uint frameCount, AudioToolbox.AudioBuffers inputData, System.AsyncCallback callback, object object);
	public virtual int EndInvoke (System.IAsyncResult result);
	public virtual int Invoke (AudioToolbox.AudioTimeStamp timestamp, uint frameCount, AudioToolbox.AudioBuffers inputData);
}

public sealed delegate AVAudioSinkNodeReceiverHandlerRaw : System.MulticastDelegate {
	// constructors
	public AVAudioSinkNodeReceiverHandlerRaw (object object, IntPtr method);
	// methods
	public virtual System.IAsyncResult BeginInvoke (IntPtr timestamp, uint frameCount, IntPtr inputData, System.AsyncCallback callback, object object);
	public virtual int EndInvoke (System.IAsyncResult result);
	public virtual int Invoke (IntPtr timestamp, uint frameCount, IntPtr inputData);
}

public string[] AllModes { get; }
public string CurrentMode { get; }

public CFRunLoopExitReason RunInMode (string mode, double seconds, bool returnAfterSourceHandled);

protected T GetStrongDictionary<T> (NSString key, System.Func<NSDictionary,T> createStrongDictionary);

public virtual void GetFileProviderConnection (System.Action<NSXpcConnection,Foundation.NSError> completionHandler);
public virtual System.Threading.Tasks.Task<NSXpcConnection> GetFileProviderConnectionAsync ();

public static NSUrl CreateFileUrl (string path);
public static NSUrl CreateFileUrl (string path, bool isDir);

public static const string ServiceManagementLibrary = "/System/Library/Frameworks/ServiceManagement.framework/ServiceManagement";

public static Foundation.NSObject GetNSObject (NativeHandle ptr);

public SKCloudServiceController ();

public class SMAppService : Foundation.NSObject {
	// constructors
	protected SMAppService (Foundation.NSObjectFlag t);
	protected SMAppService (ObjCRuntime.NativeHandle handle);
	// properties
	public override ObjCRuntime.NativeHandle ClassHandle { get; }
	public static SMAppService MainApp { get; }
	public virtual SMAppServiceStatus Status { get; }
	// methods
	public static SMAppService CreateAgentService (string plistName);
	public static SMAppService CreateDaemonService (string plistName);
	public static SMAppService CreateLoginItemService (string identifier);
	public static SMAppServiceStatus GetStatus (Foundation.NSUrl legacyUrl);
	public static void OpenSystemSettingsLoginItems ();
	public bool Register ();
	public virtual bool Register (out Foundation.NSError error);
	public bool Unregister ();
	public virtual void Unregister (System.Action<Foundation.NSError> handler);
	public virtual bool Unregister (out Foundation.NSError error);
	public virtual System.Threading.Tasks.Task UnregisterAsync ();
}

[Serializable]
public enum SMAppServiceStatus {
	Enabled = 1,
	NotFound = 3,
	NotRegistered = 0,
	RequiresApproval = 2,
}