Owin.Builder.AppBuilder.ConvertOneHop C# (CSharp) Method

        private object ConvertOneHop(Type signature, object app)
        {
            if (signature.IsInstanceOfType(app))
            {
                return app;
            }
            if (typeof(Delegate).IsAssignableFrom(signature))
            {
                Delegate memberDelegate = ToMemberDelegate(signature, app);
                if (memberDelegate != null)
                {
                    return memberDelegate;
                }
            }
            foreach (KeyValuePair<Tuple<Type, Type>, Delegate> conversion in _conversions)
            {
                Type returnType = conversion.Key.Item1;
                Type parameterType = conversion.Key.Item2;
                if (parameterType.IsInstanceOfType(app) &&
                    signature.IsAssignableFrom(returnType))
                {
                    return conversion.Value.DynamicInvoke(app);
                }
            }
            return null;
        }