public function getNamespaceMappings()
	{
		$dom = (new XmlDocumentBuilder())->buildDocument($this);
		$xpath = new \DOMXPath($dom);
		
		$namespaces = [];
		
		foreach($xpath->query('namespace::*', $dom->documentElement) as $result)
		{
			$namespaces[(string)$result->prefix] = (string)$result->nodeValue;
		}
		
		return $namespaces;
	}