# File lib/fog/aws/parsers/elasticache/cache_cluster_parser.rb, line 23
          def start_element(name, attrs = [])
            super
            case name
            when 'CacheSecurityGroup'; then @cache_security_group = {}
            when 'CacheNode'; then @cache_node = {}
            when 'PendingModifiedValues'; then @pending_values = {}
            when 'ConfigurationEndpoint'; then @configuration_endpoint = {} 
            when 'SecurityGroups'
              @in_security_groups = true
              @security_group_members = []
            when 'member'
              if @in_security_groups
                @in_security_group_member = true
                @security_group_member = {}
              end
            end
          end