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: configure.go
    path of file: ./repos/evcc/cmd/configure
    
    the code of the file until where you have to start completion: package configure

import (
	"bytes"
	_ "embed"
	"text/template"

	"github.com/Masterminds/sprig/v3"
	"github.com/evcc-io/evcc/util/templates"
)

type device struct {
	Name            string
	Title           string
	Yaml       
    
func (c *Configure) MetersOfCategory(category DeviceCategory) int {
	switch category {
	case DeviceCategoryGridMeter:
		if c.config.Site.Grid != "" {
			return 1
		}
	case DeviceCategoryPVMeter:
		return len(c.config.Site.PVs)
	case DeviceCategoryBatteryMeter:
		return len(c.config.Site.Batteries)
	}

	return 0
}