public void Apply(Operation operation, OperationFilterContext context)
        {
            var controllerActionDescriptor = context.ApiDescription.ActionDescriptor as ControllerActionDescriptor;

            if (controllerActionDescriptor == null)
            {
                return;
            }

            var commentId  = XmlCommentsIdHelper.GetCommentIdForMethod(controllerActionDescriptor.MethodInfo);
            var methodNode = _xmlNavigator.SelectSingleNode(string.Format(MemberXPath, commentId));

            if (methodNode != null)
            {
                ApplyMethodXmlToOperation(operation, methodNode);
                ApplyParamsXmlToActionParameters(operation.Parameters, methodNode, context.ApiDescription);
                ApplyResponsesXmlToResponses(operation.Responses, methodNode.Select(ResponsesXPath));
            }

            // Special handling for parameters that are bound to model properties
            ApplyPropertiesXmlToPropertyParameters(operation.Parameters, context.ApiDescription);
        }