def try_options
			return unless request.http_method == :OPTIONS

			allow = available_endpoint&.allow
			halt 404 unless allow
			response.headers['Allow'] = allow
		end
def try_options
			return unless request.http_method == :OPTIONS

			allow = available_endpoint&.allow
			halt 404 unless allow
			response.headers['Allow'] = allow
		end
Return response if HTTP-method is OPTIONS