//	e.g.:  /testbucket/prefix => 355601334
func loadPrefixUsageFromBackend(ctx context.Context, objAPI ObjectLayer, bucket string) (map[string]uint64, error) {
	z, ok := objAPI.(*erasureServerPools)
	if !ok {
		// Prefix usage is empty
		return map[string]uint64{}, nil
	}

	cache := dataUsageCache{}

	prefixUsageCache.InitOnce(30*time.Second,
		// No need to fail upon Update() error, fallback to old value.

}

// shouldRemoveRemoteObject determines if a transitioned object should be
// removed from remote tier. If remote object is to be deleted, returns the
// corresponding tier deletion journal entry and true. Otherwise returns empty
// jentry value and false.
func (os *objSweeper) shouldRemoveRemoteObject() (jentry, bool) {
	if os.TransitionStatus != lifecycle.TransitionComplete {
		return jentry{}, false
	}

// [io.ByteScanner], and [io.RuneScanner] interfaces by reading from
// a byte slice.
// Unlike a [Buffer], a Reader is read-only and supports seeking.
// The zero value for Reader operates like a Reader of an empty slice.
type Reader struct {
	s        []byte
	i        int64 // current reading index
	prevRune int   // index of previous rune; or < 0
}

// Len returns the number of bytes of the unread portion of the
// slice.

    }

    // Test constructor
    public void test_constructor() {
        ScoreUpdater updater = new ScoreUpdater();
        assertNotNull(updater);
    }

    // Test execute with empty list
    public void test_execute_emptyList() {
        String result = scoreUpdater.execute();
        assertEquals("", result);
    }

    // Test execute with single booster

            // The nested exceptions will appear in the stack trace
            assertTrue(result.contains("Caused by"));
        }

        @Test
        @DisplayName("Should handle exception with empty message")
        void testToStringWithEmptyMessage() {
            TransportException exception = new TransportException("");

            String result = exception.toString();

            assertNotNull(result);

      remove(rowKey, columnKey);
      return true;
    }
    return false;
  }

  // Views

  /**
   * Abstract set whose {@code isEmpty()} returns whether the table is empty and whose {@code
   * clear()} clears all table mappings.
   */
  @WeakOuter
  private abstract class TableSet<T> extends ImprovedAbstractSet<T> {
    @Override
    public boolean isEmpty() {

     *
     * @param value The number to convert
     * @return String representation of the number, or empty string if null
     */
    private String toNumberString(final Number value) {
        return value != null ? value.toString() : StringUtil.EMPTY;
    }

    /**
     * Deletes a search log entry based on its type.
     *

        helper.addIntervalRule("10:00", "18:00", "", 1000);

        assertEquals(1, helper.ruleList.size());
        IntervalRule rule = helper.ruleList.get(0);
        // Should match any day when days is empty
        assertTrue(rule.isTarget(12, 30, 1));
        assertTrue(rule.isTarget(12, 30, 7));
    }

        thread.start();
        thread.join(1000);

        assertTrue(thread.contains(""));
        assertTrue(thread.contains("empty"));
    }

  private var runCallCount = 0

  /** Queues with tasks that are currently executing their [TaskQueue.activeTask]. */
  private val busyQueues = mutableListOf<TaskQueue>()

  /** Queues not in [busyQueues] that have non-empty [TaskQueue.futureTasks]. */
  private val readyQueues = mutableListOf<TaskQueue>()

  private val runnable: Runnable =
    object : Runnable {
      override fun run() {
        var task: Task =
          withLock {