namespace NetworkExtension
{
    public delegate NEFilterPacketProviderVerdict NEFilterPacketHandler(NEFilterPacketContext! context, IntPtr interface, NETrafficDirection directiom, IntPtr packetBytes, UIntPtr packetLength);
    {
        public virtual IAsyncResult BeginInvoke(NEFilterPacketContext! context, IntPtr interface, NETrafficDirection directiom, IntPtr packetBytes, UIntPtr packetLength, AsyncCallback callback, object object);
    }
}