You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: main.go
    path of file: ./repos/octant/cmd/octant-sample-plugin
    
    the code of the file until where you have to start completion: /*
Copyright (c) 2019 the Octant contributors. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/

package main

import (
	"fmt"
	"log"
	"time"

	"github.com
    
func handleTab(request *service.PrintRequest) (plugin.TabResponse, error) {
	if request.Object == nil {
		return plugin.TabResponse{}, errors.New("object is nil")
	}

	// Octant uses flex layouts to display information. It's a flexible
	// grid. A flex layout is composed of multiple section. Each section
	// can contain multiple components. Components are displayed given
	// a width. In the case below, the width is half of the visible space.
	// Create sections to separate your components as each section will
	// start a new row.
	layout := flexlayout.New()
	section := layout.AddSection()
	// Octant contains a library of components that can be used to display content.
	// This example uses markdown text.
	contents := component.NewMarkdownText("content from a *plugin*")

	err := section.Add(contents, component.WidthHalf)
	if err != nil {
		return plugin.TabResponse{}, err
	}

	// In this example, this plugin will tell Octant to create a new
	// tab when showing pods. This tab's name will be "Extra Pod Details".
	tab := component.NewTabWithContents(*layout.ToComponent("Extra Pod Details"))

	return plugin.TabResponse{Tab: tab}, nil
}