    # File lib/fog/aws/requests/auto_scaling/describe_scaling_activities.rb, line 66
            def describe_scaling_activities(options = {})
              if activity_ids = options.delete('ActivityIds')
                options.merge!(AWS.indexed_param('ActivityIds.member.%d', [*activity_ids]))
              end
              request({
                'Action' => 'DescribeScalingActivities',
                :parser  => Fog::Parsers::AWS::AutoScaling::DescribeScalingActivities.new
              }.merge!(options))
            end