_:vb57710	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#HeaderElement> .
_:vb57709	<http://www.w3.org/2006/http#fieldValue>	_:vb57710 .
_:vb57709	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#MessageHeader> .
_:vb57709	<http://www.w3.org/2006/http#fieldName>	<http://www.w3.org/2006/http-header#cache-control> .
_:vb57710	<http://www.w3.org/2006/http#elementName>	"max-age=30, public" .