Classes/Console/Service/XsdGenerator.php
protected function addDocumentation($documentation, \SimpleXMLElement $xsdParentNode)
    {
        $xsdAnnotation = $xsdParentNode->addChild('xsd:annotation');
        $this->addChildWithCData($xsdAnnotation, 'xsd:documentation', $documentation);
    }
protected function addDocumentation($documentation, \SimpleXMLElement $xsdParentNode)
    {
        $xsdAnnotation = $xsdParentNode->addChild('xsd:annotation');
        $this->addChildWithCData($xsdAnnotation, 'xsd:documentation', $documentation);
    }
Add documentation XSD to a given XML node

@param string $documentation Documentation string to add.
@param \SimpleXMLElement $xsdParentNode Node to add the documentation to
@return void