namespace CoreFoundation
{
    [SupportedOSPlatform("ios")]
    [SupportedOSPlatform("maccatalyst")]
    [SupportedOSPlatform("macos")]
    [SupportedOSPlatform("tvos")]
    public class CFWriteStream : CFStream
    {
        protected override byte DoSetClient(delegate* unmanaged<IntPtr, IntPtr, IntPtr, void> callback, IntPtr eventTypes, IntPtr context);
    }
}