text: public virtual AcceptTransitGatewayVpcAttachmentResponse AcceptTransitGatewayVpcAttachment(AcceptTransitGatewayVpcAttachmentRequest request){var options = new InvokeOptions();options.RequestMarshaller = AcceptTransitGatewayVpcAttachmentRequestMarshaller.Instance;options.ResponseUnmarshaller = AcceptTransitGatewayVpcAttachmentResponseUnmarshaller.Instance;return Invoke<AcceptTransitGatewayVpcAttachmentResponse>(request, options);}