| 1234567891011121314151617181920212223242526272829303132333435363738394041424344 | package protocolimport (	"errors")var (	ErrUserMissing        = errors.New("User is not specified.")	ErrAccountMissing     = errors.New("Account is not specified.")	ErrNonMessageType     = errors.New("Not a protobuf message.")	ErrUnknownAccountType = errors.New("Unknown account type."))func (this *User) GetTypedAccount() (Account, error) {	if this.GetAccount() == nil {		return nil, ErrAccountMissing	}	rawAccount, err := this.Account.GetInstance()	if err != nil {		return nil, err	}	if asAccount, ok := rawAccount.(AsAccount); ok {		return asAccount.AsAccount()	}	if account, ok := rawAccount.(Account); ok {		return account, nil	}	return nil, errors.New("Unknown account type: " + this.Account.Type)}func (this *User) GetSettings() UserSettings {	settings := UserSettings{		PayloadReadTimeout: 120,	}	if this.Level > 0 {		settings.PayloadReadTimeout = 0	}	return settings}type UserSettings struct {	PayloadReadTimeout uint32}
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