code: func NewAccountBalanceNtfn(account string, balance float64, confirmed bool) *AccountBalanceNtfn {
  	return &AccountBalanceNtfn{
  		Account:   account,
  		Balance:   balance,
  		Confirmed: confirmed,
  	}
  }
docs: // NewAccountBalanceNtfn returns a new instance which can be used to issue an
  // accountbalance JSON-RPC notification.