public function get(string $variableName = null, int $type = Variables::TYPE_ARRAY)
    {
        if ($variableName === null) {
            throw new BadMethodCallException('Variable name must be specified');
        }
        if (isset($this->variables['MFVARS'][$variableName])) {
            return $this->variables['MFVARS'][$variableName];
        }
        if (isset($this->variables[$variableName])) {
            return $this->variables[$variableName];
        }
        return [];
    }