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: options.go
    path of file: ./repos/scan4all/pkg/naabu/v2/pkg/runner
    
    the code of the file until where you have to start completion: package runner

import (
	"fmt"
	"github.com/GhostTroops/scan4all/lib/util"
	"github.com/GhostTroops/scan4all/pkg/naabu/v2/pkg/privileges"
	"github.com/GhostTroops/scan4all/pkg/naabu/v2/pkg/scan"
	"net"
	"os"
	"runtime"
	"strings"

	"github.com/projectdiscovery/fileutil"

	"github.com/projectdiscovery/gofl
    
func showNetworkInterfaces() error {
	// Interfaces List
	interfaces, err := net.Interfaces()
	if err != nil {
		return err
	}
	for _, itf := range interfaces {
		addresses, addErr := itf.Addrs()
		if addErr != nil {
			gologger.Warning().Msgf("Could not retrieve addresses for %s: %s\n", itf.Name, addErr)
			continue
		}
		var addrstr []string
		for _, address := range addresses {
			addrstr = append(addrstr, address.String())
		}
		gologger.Info().Msgf("Interface %s:\nMAC: %s\nAddresses: %s\nMTU: %d\nFlags: %s\n", itf.Name, itf.HardwareAddr, strings.Join(addrstr, " "), itf.MTU, itf.Flags.String())
	}
	// External ip
	externalIP, err := scan.WhatsMyIP()
	if err != nil {
		gologger.Warning().Msgf("Could not obtain public ip: %s\n", err)
	}
	gologger.Info().Msgf("External Ip: %s\n", externalIP)

	return nil
}