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: lua.go
    path of file: ./repos/inbucket/pkg/extension/luahost
    
    the code of the file until where you have to start completion: package luahost

import (
	"bufio"
	"errors"
	"fmt"
	"io"
	"os"

	"github.com/inbucket/inbucket/v3/pkg/config"
	"github.com/inbucket/inbucket/v3/pkg/extension"
	"github.com/inbucket/inbucket/v3/pkg/extension/event"
	"github.com/rs/zerolog"
	"github.com/rs/zerolog/log"
	lua "github.com/yuin/gopher-lua"
	"github.com/yuin/gopher-lua/parse"
)

// ErrNoScript signals that the Lua script file was not present.
var ErrNoScript error = errors.New("no script file present")

// Host of L
    
func (h *Host) handleBeforeMailAccepted(addr event.AddressParts) *bool {
	logger, ls, ib, ok := h.prepareInbucketFuncCall("before.mail_accepted")
	if !ok {
		return nil
	}
	defer h.pool.putState(ls)

	logger.Debug().Msgf("Calling Lua function with %+v", addr)
	if err := ls.CallByParam(
		lua.P{Fn: ib.Before.MailAccepted, NRet: 1, Protect: true},
		lua.LString(addr.Local),
		lua.LString(addr.Domain),
	); err != nil {
		logger.Error().Err(err).Msg("Failed to call Lua function")
		return nil
	}

	lval := ls.Get(1)
	ls.Pop(1)
	logger.Debug().Msgf("Lua function returned %q (%v)", lval, lval.Type().String())

	if lval.Type() == lua.LTNil {
		return nil
	}

	result := true
	if lua.LVIsFalse(lval) {
		result = false
	}

	return &result
}