class Async::HTTP::Protocol::HTTP2::Stream::Output

def write(chunk)
	until chunk.empty?
		maximum_size = @stream.available_frame_size
		
		while maximum_size <= 0
			@window_updated.wait
			
			maximum_size = @stream.available_frame_size
		end
		
		break unless chunk = send_data(chunk, maximum_size)
	end
end