}
    }

    // ========== Thread Safety Tests for getDataStoreNames() ==========

    /**
     * Test concurrent getDataStoreNames calls to verify synchronized method works correctly.
     * Multiple threads call getDataStoreNames() simultaneously.
     */
    @Test
    public void test_getDataStoreNames_concurrentAccess() throws Exception {
        final int threadCount = 10;

	}
	if isSysErrHandleInvalid(err) {
		return errFileNotFound
	}
	if isSysErrIO(err) {
		return errFaultyDisk
	}
	if isSysErrInvalidArg(err) {
		storageLogIf(context.Background(), err)
		// For some odd calls with O_DIRECT reads
		// filesystems can return EINVAL, handle
		// these as FileNotFound instead.
		return errFileNotFound
	}
	if isSysErrNoSpace(err) {
		return errDiskFull
	}
	return err

  /**
   * Records an exception so that it can be rethrown later in the test harness thread, triggering a
   * test case failure. Only the first failure is recorded; subsequent calls to this method from
   * within the same test have no effect.
   */
  final void threadRecordFailure(Throwable t) {
    threadFailure.compareAndSet(null, t);
  }

  /**

    }
  }

  /**
   * Returns a {@code PeekingIterator} backed by the given iterator.
   *
   * <p>Calls to the {@code peek} method with no intervening calls to {@code next} do not affect the
   * iteration, and hence return the same object each time. A subsequent call to {@code next} is
   * guaranteed to return the same object again. For example:
   *
   * {@snippet :

    }
  }

  /**
   * Returns a {@code PeekingIterator} backed by the given iterator.
   *
   * <p>Calls to the {@code peek} method with no intervening calls to {@code next} do not affect the
   * iteration, and hence return the same object each time. A subsequent call to {@code next} is
   * guaranteed to return the same object again. For example:
   *
   * {@snippet :

  /**
   * True if this task faker has ever had multiple tasks scheduled to run concurrently. Guarded by
   * `this`.
   */
  var isParallel = false

  /** Number of calls to [TaskRunner.Backend.execute]. Guarded by `this`. */
  var executeCallCount = 0

  /** Guarded by [taskRunner]. */
  var nanoTime = 0L
    private set

	if err != nil {
		t.Fatalf("MinIO %s: Failed to create an anonymous request for %s/%s: <ERROR> %v",
			instanceType, bucketName, objectName, err)
	}

	// ExecObjectLayerAPIAnonTest - Calls the HTTP API handler using the anonymous request, validates the ErrAccessDeniedResponse,
	// sets the bucket policy using the policy statement generated from `getWriteOnlyObjectStatement` so that the

  /**
   * This Iterator wraps another iterator and gives it a bug found in JDK6.
   *
   * <p>This bug is this: if you create an iterator from a TreeSet and call next() on that iterator
   * when hasNext() is false, so that next() throws a NoSuchElementException, then subsequent calls
   * to remove() will incorrectly throw an IllegalStateException, instead of removing the last
   * element returned.
   *

    }

    // --- as(Class, DLSequence, int) ---

    @Test
    void testAs_DLSequence_RecursiveBug() {
        // This test exposes a recursive bug in the current implementation
        // The method calls itself, leading to a StackOverflowError.
        ASN1EncodableVector vector = new ASN1EncodableVector();
        vector.add(new ASN1Integer(10));
        DLSequence sequence = new DLSequence(vector);

      }
    }

    // subsequent calls should call the loader again, not get the old exception
    assertThrows(UncheckedExecutionException.class, () -> cache.getUnchecked("bar"));
    assertThat(callCount.get()).isEqualTo(2);
  }

  /**
   * Test-helper method that performs {@code nThreads} concurrent calls to {@code cache.get(key)} or