    # File lib/fog/aws/requests/beanstalk/describe_application_versions.rb, line 22
            def describe_application_versions(options={})
              if version_labels = options.delete('VersionLabels')
                options.merge!(AWS.indexed_param('VersionLabels.member.%d', [*version_labels]))
              end
              request({
                          'Operation'    => 'DescribeApplicationVersions',
                          :parser     => Fog::Parsers::AWS::ElasticBeanstalk::DescribeApplicationVersions.new
                      }.merge(options))
            end