*
   * <p>The returned {@code Future} attempts to keep its cancellation state in sync with that of the
   * input future and that of the future returned by the chain function. That is, if the returned
   * {@code Future} is cancelled, it will attempt to cancel the other two, and if either of the
   * other two is cancelled, the returned {@code Future} will receive a callback in which it will
   * attempt to cancel itself.
   *

   *
   * <p>The returned {@code Future} attempts to keep its cancellation state in sync with that of the
   * input future and that of the future returned by the chain function. That is, if the returned
   * {@code Future} is cancelled, it will attempt to cancel the other two, and if either of the
   * other two is cancelled, the returned {@code Future} will receive a callback in which it will
   * attempt to cancel itself.
   *

    public int hashCode() {
      return slowItDown() + hash;
    }

    @Override
    public int compareTo(Element e) {
      int x = slowItDown();
      return x + super.compareTo(e) - x; // silly attempt to prevent opt
    }

    static int slowItDown() {
      int result = 0;
      for (int i = 1; i <= 1000; i++) {
        result += i;
      }
      return result;
    }
  }

    public int hashCode() {
      return slowItDown() + hash;
    }

    @Override
    public int compareTo(Element e) {
      int x = slowItDown();
      return x + super.compareTo(e) - x; // silly attempt to prevent opt
    }

    static int slowItDown() {
      int result = 0;
      for (int i = 1; i <= 1000; i++) {
        result += i;
      }
      return result;
    }
  }

		// to attempt a heal on the object.
		if countErrs(errs, errDiskNotFound) > 0 {
			return
		}

		var missingBlocks int
		for i := range errs {
			if IsErr(errs[i],
				errFileNotFound,
				errFileVersionNotFound,
				errFileCorrupt,
			) {
				missingBlocks++
			}
		}

		// if missing metadata can be reconstructed, attempt to reconstruct.

// save will unconditionally save the tracker and will be created if not existing.
func (h *healingTracker) save(ctx context.Context) error {
	h.mu.Lock()
	if h.PoolIndex < 0 || h.SetIndex < 0 || h.DiskIndex < 0 {
		// Attempt to get location.
		if api := newObjectLayerFn(); api != nil {
			if ep, ok := api.(*erasureServerPools); ok {
				h.PoolIndex, h.SetIndex, h.DiskIndex, _ = ep.getPoolAndSet(h.ID)
			}
		}
	}

    PeekingIterator<?> peekingIterator = Iterators.peekingIterator(iterator);

    assertEquals("A", peekingIterator.next());
    assertEquals("B", peekingIterator.peek());

    /* Should complain on attempt to remove() after peek(). */
    assertThrows(IllegalStateException.class, () -> peekingIterator.remove());

    assertEquals(
        "After remove() throws exception, peek should still be ok", "B", peekingIterator.peek());

    PeekingIterator<?> peekingIterator = Iterators.peekingIterator(iterator);

    assertEquals("A", peekingIterator.next());
    assertEquals("B", peekingIterator.peek());

    /* Should complain on attempt to remove() after peek(). */
    assertThrows(IllegalStateException.class, () -> peekingIterator.remove());

    assertEquals(
        "After remove() throws exception, peek should still be ok", "B", peekingIterator.peek());

            if (b.getTypeMatcher().matches(boxedType)) {
                return b.getTypeConverter().convert(text, toType);
            }
        }

        // last chance => attempt to create an instance of the expected type: use the string if non-empty
        return text.length() == 0 ? newImplementation(rawType) : newImplementation(rawType, text);
    }

		}
		// if its a partial rename() do not attempt to delete recursively.
		// this can be healed since all parts are available.
		s.deleteFile(dstVolumeDir, dstDataPath, false, false)
		return res, osErrToFileErr(err)
	}

	if srcVolume != minioMetaMultipartBucket {
		// srcFilePath is some-times minioMetaTmpBucket, an attempt to
		// remove the temporary folder is enough since at this point