    # File lib/fog/aws/requests/compute/reboot_instances.rb, line 33
            def reboot_instances(instance_id = [])
              response = Excon::Response.new
              instance_id = [*instance_id]
              if (self.data[:instances].keys & instance_id).length == instance_id.length
                for instance_id in instance_id
                  self.data[:instances][instance_id]['status'] = 'rebooting'
                end
                response.status = 200
                response.body = {
                  'requestId' => Fog::AWS::Mock.request_id,
                  'return'    => true
                }
                response
              else
                raise Fog::Compute::AWS::NotFound.new("The instance ID #{instance_id.inspect} does not exist")
              end
            end