text: public virtual AcceptTransitGatewayPeeringAttachmentResponse AcceptTransitGatewayPeeringAttachment(AcceptTransitGatewayPeeringAttachmentRequest request){var options = new InvokeOptions();options.RequestMarshaller = AcceptTransitGatewayPeeringAttachmentRequestMarshaller.Instance;options.ResponseUnmarshaller = AcceptTransitGatewayPeeringAttachmentResponseUnmarshaller.Instance;return Invoke<AcceptTransitGatewayPeeringAttachmentResponse>(request, options);}