# File lib/fog/aws/requests/ecs/describe_container_instances.rb, line 17
        def describe_container_instances(params={})
          if instances = params.delete('containerInstances')
            params.merge!(Fog::AWS.indexed_param('containerInstances.member', [*instances]))
          end

          request({
            'Action'  => 'DescribeContainerInstances',
            :parser   => Fog::Parsers::AWS::ECS::DescribeContainerInstances.new
          }.merge(params))
        end