_:vb49958	<http://www.w3.org/2006/http#elementName>	"Sun, 27 Oct 2019 16:43:49 GMT" .
_:vb49957	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#MessageHeader> .
_:vb49957	<http://www.w3.org/2006/http#fieldName>	<http://www.w3.org/2006/http-header#if-modified-since> .
_:vb49958	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#HeaderElement> .
_:vb49957	<http://www.w3.org/2006/http#fieldValue>	_:vb49958 .