# File lib/fog/shared_file_system/openstack/requests/update_quota.rb, line 16
        def update_quota(project_id, options = {})
          # stringify keys
          options = Hash[options.map { |k, v| [k.to_s, v] }]
          data[:quota_updated] = data[:quota].merge(options)
          data[:quota_updated]['id'] = project_id

          response = Excon::Response.new
          response.status = 200
          response.body = {'quota_set' => data[:quota_updated]}
          response
        end