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

def finish_output(error = nil)

Called when the output terminates normally. 
def finish_output(error = nil)
	return if self.closed?
	
	trailer = @output&.trailer
	
	@output = nil
	
	if error
		send_reset_stream(::Protocol::HTTP2::Error::INTERNAL_ERROR)
	else
		# Write trailer?
		if trailer&.any?
			send_headers(trailer, ::Protocol::HTTP2::END_STREAM)
		else
			send_data(nil, ::Protocol::HTTP2::END_STREAM)
		end
	end
end