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: login_load_user.go
    path of file: ./repos/client/go/engine
    
    the code of the file until where you have to start completion: // Copyright 2015 Keybase, Inc. All rights reserved. Use of
// this source code is governed by the included BSD license.

// loginLoadUser is an engine that will get a username or email
// addre
    
func (e *loginLoadUser) Run(m libkb.MetaContext) (err error) {
	defer m.Trace("loginLoadUser#Run", &err)()

	var username string
	username, err = e.findUsername(m)
	if err != nil {
		return err
	}

	m.Debug("loginLoadUser: found username %q", username)

	// NOTE(max) 2018-05-09: ForceReload since older versions of cached users don't
	// have salt stored, ad we need it in DeviceWrap to write out the config file.
	arg := libkb.NewLoadUserArgWithMetaContext(m).WithName(username).WithPublicKeyOptional().WithForceReload()
	user, err := libkb.LoadUser(arg)
	if err != nil {
		return err
	}
	e.user = user

	m.Debug("loginLoadUser: found user %s for username %q", e.user.GetUID(), username)

	return nil
}