class Async::HTTP::Protocol::HTTP11

def next_request
	# The default is true.
	return nil unless @persistent
	
	request = Request.new(self)
	
	unless persistent?(request.headers)
		@persistent = false
	end
	
	return request
rescue
	# Bad Request
	write_response(self.version, 400, {}, nil)
	
	raise
end