class Protocol::HTTP2::Client

def receive_push_promise(frame)
	if frame.stream_id == 0
		raise ProtocolError, "Cannot receive headers for stream 0!"
	end
	
	if stream = @streams[frame.stream_id]
		# This is almost certainly invalid:
		promised_stream, request_headers = stream.receive_push_promise(frame)
		
		return promised_stream, request_headers
	end
end