_:vb53386	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#MessageHeader> .
_:vb53412	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	_:vb53386 .
_:vb53386	<http://www.w3.org/2006/http#fieldValue>	_:vb53387 .
_:vb53386	<http://www.w3.org/2006/http#fieldName>	<http://www.w3.org/2006/http-header#cache-control> .