class Model : Model3D
    {
        protected override Freezable CreateInstanceCore()
        {
            //throw new NotImplementedException();
        }

        internal override ResourceHandle AddRefOnChannelCore(Channel channel)
        {
            //throw new NotImplementedException();
        }

        internal override Rect3D CalculateSubgraphBoundsInnerSpace()
        {
            //throw new NotImplementedException();
        }

        internal override Channel GetChannelCore(int index)
        {
            //throw new NotImplementedException();
        }

        internal override int GetChannelCountCore()
        {
            //throw new NotImplementedException();
        }

        internal override ResourceHandle GetHandleCore(Channel channel)
        {
            //throw new NotImplementedException();
        }

        internal override void RayHitTestCore(RayHitTestParameters rayParams)
        {
            //throw new NotImplementedException();
        }

        internal override void ReleaseOnChannelCore(Channel channel)
        {
            //throw new NotImplementedException();
        }
    }