Implement this interface to visit http headers.

 @status FROZEN
[scriptable, uuid(0cf40717-d7c1-4a94-8c1e-d6c9734101bb)]
interface nsIHttpHeaderVisitor : nsISupports

Methods

 Called by the nsIHttpChannel implementation when visiting request and
 response headers.

 @param aHeader
        the header being visited.
 @param aValue
        the header value (possibly a comma delimited list).

 @throw any exception to terminate enumeration
void visitHeader(in ACString aHeader, in ACString aValue)