*/
public class GroupService {

    /** Behavior class for group database operations */
    @Resource
    protected GroupBhv groupBhv;

    /** Configuration settings for the Fess application */
    @Resource
    protected FessConfig fessConfig;

    /** Behavior class for user database operations */
    @Resource
    protected UserBhv userBhv;

    /**

     *
     * This method implements lazy initialization with synchronization to ensure
     * the authenticator is only created once. It configures the authenticator
     * with the appropriate SPNEGO settings and marks initialization as complete.
     *
     * @return The configured SPNEGO authenticator instance
     * @throws SsoLoginException if SPNEGO initialization fails
     */

            "format" : "date_optional_time"
          },
          "updatedAt" : {
            "type" : "date",
            "format" : "date_optional_time"
          }
        }
      }
    },
    "settings" : {
      "index" : {
        "creation_date" : "1509021060613",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "AMHq21z_Rw-8aumu04y_wA",
        "version" : {

    # keywords for environment properties, same as directory name
    ; environmentList = list:{}

    # environment dispatch by lasta.env of system property?
    ; isUseLastaEnv = false

    # settings for web applications
    ; appMap = map:{
        ; fess = map:{
            ; path = ..
            ; freeGenList = list:{ env ; config ; label ; message ; mail ; template ; jsp ; doc }

            "type" : "long"
          },
          "key" : {
            "type" : "keyword"
          },
          "value" : {
            "type" : "keyword"
          }
        }
      }
    },
    "settings" : {
      "index" : {
        "creation_date" : "1509021050704",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "X-fixtWRQdGqWMpUEEs_Ag",
        "version" : {

          },
          "updatedTime" : {
            "type" : "long"
          },
          "virtualHost" : {
            "type" : "keyword"
          }
        }
      }
    },
    "settings" : {
      "index" : {
        "dbflute" : {
          "related_query" : {
            "properties" : {
              "queries" : {
                "array" : "true"
              }
            }
          }

# /---------------------------------------------------------------------------
# littleAdjustmentMap: (NotRequired - Default map:{})
#
# The various settings about a little adjustment.
#
# o isAvailableAddingSchemaToTableSqlName: (NotRequired - Default false)
# o isAvailableAddingCatalogToTableSqlName: (NotRequired - Default false)
# o isAvailableDatabaseDependency: (NotRequired - Default false)
# o isAvailableDatabaseNativeJDBC: (NotRequired - Default false)

          },
          "updatedTime" : {
            "type" : "long"
          },
          "value" : {
            "type" : "keyword"
          }
        }
      }
    },
    "settings" : {
      "index" : {
        "creation_date" : "1509021056731",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "MnnT8tsrT5GqpB8pYafyWg",
        "version" : {

          },
          "threadName" : {
            "type" : "keyword"
          },
          "url" : {
            "type" : "keyword"
          }
        }
      }
    },
    "settings" : {
      "index" : {
        "creation_date" : "1509021052830",
        "number_of_shards" : "5",
        "number_of_replicas" : "1",
        "uuid" : "WskRnE71Qsas-ki_GN3RSg",
        "version" : {

          },
          "updatedBy" : {
            "type" : "keyword"
          },
          "updatedTime" : {
            "type" : "long"
          }
        }
      }
    },
    "settings" : {
      "index" : {
        "dbflute" : {
          "access_token" : {
            "properties" : {
              "permissions" : {
                "array" : "true"
              }
            }