if (!initialized) {
                DisposableUtil.add(BeanDescFactory::clear);
                initialized = true;
            }
        }
    }

    /**
     * キャッシュをクリアします。
     */
    public static void clear() {
        beanDescCache.clear();
        initialized = false;
    }

var errInvalidRangeSource = errors.New("Range specified exceeds source object size")

// error returned by disks which are to be initialized are waiting for the
// first server to initialize them in distributed set to initialize them.
var errNotFirstDisk = errors.New("Not first drive")

// error returned by first disk waiting to initialize other servers.
var errFirstDiskWait = errors.New("Waiting on other drives")

// error returned for a negative actual size.

		sys.store = &IAMStoreSys{newIAMObjectStore(objAPI, sys.usersSysType)}
	} else {
		sys.store = &IAMStoreSys{newIAMEtcdStore(etcdClient, sys.usersSysType)}
	}
}

// Initialized checks if IAM is initialized
func (sys *IAMSys) Initialized() bool {
	if sys == nil {
		return false
	}
	sys.Lock()
	defer sys.Unlock()
	return sys.store != nil
}

      // A 2-field variant of Double Checked Locking.
      if (!initialized) {
        synchronized (this) {
          if (!initialized) {
            T t = delegate.get();
            value = t;
            initialized = true;
            return t;
          }
        }
      }
      // This is safe because we checked `initialized`.
      return uncheckedCastNullableTToT(value);
    }

    @Override

//
// -- if input storage class is empty then standard is assumed
//
// -- if input is RRS but RRS is not configured/initialized '-1' parity
//
//	for RRS is assumed, the caller is expected to choose the right parity
//	at that point.
//
// -- if input is STANDARD but STANDARD is not configured/initialized '-1' parity
//
//	is returned, the caller is expected to choose the right parity
//	at that point.

    }

    /**
     * 初期化します。
     */
    protected static synchronized void initialize() {
        if (!initialized) {
            DisposableUtil.add(() -> {
                ResourceBundle.clearCache();
                initialized = false;
            });
            initialized = true;
        }
    }

				wait() // wait to proceed to next entry.
			}
		}
		t.Reset(bucketMetadataRefresh)
	}
}

// Initialized indicates if bucket metadata sys is initialized atleast once.
func (sys *BucketMetadataSys) Initialized() bool {
	sys.RLock()
	defer sys.RUnlock()

	return sys.initialized
}

// Loads bucket metadata for all buckets into BucketMetadataSys.

				} else {
					// if the slice cap is externally initialized, the externally initialized slice is directly used here
					if reflectValue.Cap() == 0 {
						db.Statement.ReflectValue.Set(reflect.MakeSlice(reflectValue.Type(), 0, 20))
					} else {
						reflectValue.SetLen(0)
						db.Statement.ReflectValue.Set(reflectValue)
					}
				}
			}

			for initialized || rows.Next() {
			BEGIN:
				initialized = false

      // A 2-field variant of Double Checked Locking.
      if (!initialized) {
        synchronized (this) {
          if (!initialized) {
            T t = delegate.get();
            value = t;
            initialized = true;
            return t;
          }
        }
      }
      // This is safe because we checked `initialized`.
      return uncheckedCastNullableTToT(value);
    }

    @Override

public class SpnegoAuthenticator implements SsoAuthenticator {

    private static final Logger logger = LogManager.getLogger(SpnegoAuthenticator.class);

    protected static final String SPNEGO_INITIALIZED = "spnego.initialized";
    protected static final String SPNEGO_EXCLUDE_DIRS = "spnego.exclude.dirs";
    protected static final String SPNEGO_ALLOW_DELEGATION = "spnego.allow.delegation";