public function configure($sName, $sValue)
    {
        switch($sName)
        {
        case 'class': // The user function is a method in the given class
            $this->xUserFunction = [$sValue, $this->xUserFunction];
            break;
        case 'alias':
            $this->sJsFunction = $sValue;
            break;
        case 'include':
            $this->sInclude = $sValue;
            break;
        default:
            $this->aConfiguration[$sName] = $sValue;
            break;
        }
    }