_:b21613	<http://www.w3.org/2006/http#fieldName>	<http://www.w3.org/2006/http-header#content-type> .
_:b21613	<http://www.w3.org/2006/http#fieldValue>	_:b21626 .
_:b21613	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#MessageHeader> .
_:b21626	<http://www.w3.org/2006/http#elementName>	"application/rdf+xml" .
_:b21626	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#HeaderElement> .