src/Environaut/Config/Reader/Dom/DomDocument.php
public static function registerEnvironautNamespace(DOMDocument $doc)
    {
        $doc->getXpath()->registerNamespace(self::NAMESPACE_PREFIX, self::NAMESPACE_ENVIRONAUT_1_0);
    }
public static function registerEnvironautNamespace(DOMDocument $doc)
    {
        $doc->getXpath()->registerNamespace(self::NAMESPACE_PREFIX, self::NAMESPACE_ENVIRONAUT_1_0);
    }
Registers the default Environaut namespace on the internal xpath
instance of the given DomDocument instance.

@param DOMDocument $doc document instance