public RejectTransitGatewayPeeringAttachmentResult rejectTransitGatewayPeeringAttachment(RejectTransitGatewayPeeringAttachmentRequest request) {request = beforeClientExecution(request);return executeRejectTransitGatewayPeeringAttachment(request);}

public virtual RejectTransitGatewayPeeringAttachmentResponse RejectTransitGatewayPeeringAttachment(RejectTransitGatewayPeeringAttachmentRequest request){var options = new InvokeOptions();options.RequestMarshaller = RejectTransitGatewayPeeringAttachmentRequestMarshaller.Instance;options.ResponseUnmarshaller = RejectTransitGatewayPeeringAttachmentResponseUnmarshaller.Instance;return Invoke<RejectTransitGatewayPeeringAttachmentResponse>(request, options);}
