namespace ARKit
{
    [Introduced(PlatformName.iOS, 11, 0, PlatformArchitecture.All, null)]
    [Protocol(Name = "ARSessionObserver", WrapperType = typeof(ARSessionObserverWrapper))]
    [ProtocolMember(IsProperty = false, IsRequired = false, IsStatic = false, Name = "DidFail", ParameterByRef = new[] { false, false }, ParameterType = new[] { typeof(ARSession), typeof(NSError) }, Selector = "session:didFailWithError:")]
    [ProtocolMember(IsProperty = false, IsRequired = false, IsStatic = false, Name = "CameraDidChangeTrackingState", ParameterByRef = new[] { false, false }, ParameterType = new[] { typeof(ARSession), typeof(ARCamera) }, Selector = "session:cameraDidChangeTrackingState:")]
    [ProtocolMember(IsProperty = false, IsRequired = false, IsStatic = false, Name = "WasInterrupted", ParameterByRef = new[] { false }, ParameterType = new[] { typeof(ARSession) }, Selector = "sessionWasInterrupted:")]
    [ProtocolMember(IsProperty = false, IsRequired = false, IsStatic = false, Name = "InterruptionEnded", ParameterByRef = new[] { false }, ParameterType = new[] { typeof(ARSession) }, Selector = "sessionInterruptionEnded:")]
    [ProtocolMember(IsProperty = false, IsRequired = false, IsStatic = false, Name = "DidOutputAudioSampleBuffer", ParameterByRef = new[] { false, false }, ParameterType = new[] { typeof(ARSession), typeof(CMSampleBuffer) }, Selector = "session:didOutputAudioSampleBuffer:")]
    [ProtocolMember(IsProperty = false, IsRequired = false, IsStatic = false, Name = "DidOutputCollaborationData", ParameterByRef = new[] { false, false }, ParameterType = new[] { typeof(ARSession), typeof(ARCollaborationData) }, Selector = "session:didOutputCollaborationData:")]
    [ProtocolMember(IsProperty = false, IsRequired = false, IsStatic = false, Name = "ShouldAttemptRelocalization", ParameterByRef = new[] { false }, ParameterType = new[] { typeof(ARSession) }, ReturnType = typeof(bool), Selector = "sessionShouldAttemptRelocalization:")]
    [Unavailable(PlatformName.WatchOS, PlatformArchitecture.All, null)]
    [Unavailable(PlatformName.TvOS, PlatformArchitecture.All, null)]
    [Unavailable(PlatformName.MacOSX, PlatformArchitecture.All, null)]
    public interface IARSessionObserver : INativeObject, IDisposable
}