obj, err := newObjectLayer(ctx, mustGetPoolEndpoints(0, disks...))
	if err != nil {
		t.Fatal("Unexpected object layer initialization error", err)
	}

	_, ok := obj.(*erasureServerPools)
	if !ok {
		t.Fatal("Unexpected object layer detected", reflect.TypeOf(obj))
	}

	// Tests for Erasure object layer initialization.

	// Create temporary backend for the test server.
	nDisks = 16
	disks, err = getRandomDisks(nDisks)

	resetTestGlobals()

	objLayer, fsDir, err := prepareFS(ctx)
	if err != nil {
		t.Fatalf("Initialization of object layer failed for single node setup: %s", err)
	}

	bucketFS, fsAPIRouter, err := initAPIHandlerTest(ctx, objLayer, endpoints)
	if err != nil {
		t.Fatalf("Initialization of API handler tests failed: <ERROR> %s", err)
	}

	// initialize the server and obtain the credentials and root.

  /** Table of cells. When non-null, size is a power of 2. */
  @CheckForNull transient volatile Cell[] cells;

  /**
   * Base value, used mainly when there is no contention, but also as a fallback during table
   * initialization races. Updated via CAS.
   */
  transient volatile long base;

  /** Spinlock (locked via CAS) used when resizing and/or creating Cells. */
  transient volatile int busy;

initialization</i> if it is not yet initialized and either has
no <a href="#Variable_declarations">initialization expression</a> or
its initialization expression has no <i>dependencies</i> on uninitialized variables.
Initialization proceeds by repeatedly initializing the next package-level
variable that is earliest in declaration order and ready for initialization,

		RolePolicy:         getCfgVal(RolePolicy),
	}
}

const (
	keyCloakVendor = "keycloak"
)

// initializeProvider initializes if any additional vendor specific information
// was provided, initialization will return an error initial login fails.
func (p *providerCfg) initializeProvider(cfgGet func(string) string, transport http.RoundTripper) error {
	vendor := cfgGet(Vendor)
	if vendor == "" {
		return nil
	}

	// Should be set before calling Get().
	updateFn func() (T, error)

	// ttl for a cached value.
	ttl time.Duration

	opts Opts

	// Once can be used to initialize values for lazy initialization.
	// Should be set before calling Get().
	Once sync.Once

	// Managed values.
	valErr atomic.Pointer[struct {
		v T
		e error
	}]
	lastUpdateMs atomic.Int64
	updating     sync.Mutex
}

  /** Table of cells. When non-null, size is a power of 2. */
  @CheckForNull transient volatile Cell[] cells;

  /**
   * Base value, used mainly when there is no contention, but also as a fallback during table
   * initialization races. Updated via CAS.
   */
  transient volatile long base;

  /** Spinlock (locked via CAS) used when resizing and/or creating Cells. */
  transient volatile int busy;

initialization</i> if it is not yet initialized and either has
no <a href="#Variable_declarations">initialization expression</a> or
its initialization expression has no <i>dependencies</i> on uninitialized variables.
Initialization proceeds by repeatedly initializing the next package-level
variable that is earliest in declaration order and ready for initialization,

		return nil, errors.New("AWS Role cannot be activated with static credentials or the web identity token file")
	case conf.Bucket == "":
		return nil, errors.New("no bucket name was provided")
	}

	// Credentials initialization
	var creds *credentials.Credentials
	switch {
	case conf.AWSRole:
		creds = credentials.New(&credentials.IAM{
			Client: &http.Client{
				Transport: NewHTTPTransport(),
			},
		})

   * up the necessary in-memory cache information.
   *
   * The initialization time may vary depending on the journal file size and the current actual
   * cache size. The application needs to be aware of calling this function during the
   * initialization phase and preferably in a background worker thread.
   *