public function init()
    {
        if (! empty($this->registry[$this->section])) {
            throw new RegistryException(
                RegistryException::DUPLICATE_INITIATION_ATTEMPT_TEXT . '(section: ' . $this->section . ')',
                RegistryException::DUPLICATE_INITIATION_ATTEMPT_CODE
            );
        }

        $this->registry[$this->section] = array();
    }