namespace AppKit
{
    [Protocol(Name = "NSCollectionViewDataSource", WrapperType = typeof(NSCollectionViewDataSourceWrapper))]
    [ProtocolMember(IsProperty = false, IsRequired = true, IsStatic = false, Name = "GetNumberofItems", ParameterByRef = new[] { false, false }, ParameterType = new[] { typeof(NSCollectionView), typeof(IntPtr) }, ReturnType = typeof(IntPtr), Selector = "collectionView:numberOfItemsInSection:")]
    [ProtocolMember(IsProperty = false, IsRequired = true, IsStatic = false, Name = "GetItem", ParameterByRef = new[] { false, false }, ParameterType = new[] { typeof(NSCollectionView), typeof(NSIndexPath) }, ReturnType = typeof(NSCollectionViewItem), Selector = "collectionView:itemForRepresentedObjectAtIndexPath:")]
    [ProtocolMember(IsProperty = false, IsRequired = false, IsStatic = false, Name = "GetNumberOfSections", ParameterByRef = new[] { false }, ParameterType = new[] { typeof(NSCollectionView) }, ReturnType = typeof(IntPtr), Selector = "numberOfSectionsInCollectionView:")]
    [ProtocolMember(IsProperty = false, IsRequired = false, IsStatic = false, Name = "GetView", ParameterByRef = new[] { false, false, false }, ParameterType = new[] { typeof(NSCollectionView), typeof(NSString), typeof(NSIndexPath) }, ReturnType = typeof(NSView), Selector = "collectionView:viewForSupplementaryElementOfKind:atIndexPath:")]
    [SupportedOSPlatform("macos")]
    [UnsupportedOSPlatform("maccatalyst")]
    public interface INSCollectionViewDataSource : INativeObject, IDisposable
}