*/
  @CanIgnoreReturnValue
  Collection<V> removeAll(@CompatibleWith("K") @Nullable Object key);

  /** Removes all key-value pairs from the multimap, leaving it {@linkplain #isEmpty empty}. */
  void clear();

  // Views

  /**
   * Returns a view collection of the values associated with {@code key} in this multimap, if any.

        }

        return true;
    }

    /**
     * Deletes the scroll context associated with the given scroll ID.
     *
     * @param client the OpenSearch client used to clear the scroll context
     * @param scrollId the ID of the scroll context to be deleted; if null, no action is taken
     */
    public static void deleteScrollContext(final Client client, final String scrollId) {

  }

  public void testSkip_structurallyModifiedSkipSomeList() throws Exception {
    List<String> list = newArrayList("a", "b", "c");
    Iterable<String> tail = skip(list, 1);
    list.subList(1, 3).clear();
    list.addAll(0, newArrayList("A", "B", "C"));
    assertThat(tail).containsExactly("B", "C", "a").inOrder();
  }

  public void testSkip_structurallyModifiedSkipAll() throws Exception {

        }
        remaining--;
        /*
         * requireNonNull is safe because `remaining` starts at 0, forcing us to initialize
         * `element` above. After that, we never clear it.
         */
        return requireNonNull(element);
      }
    };
  }

  @LazyInit private transient @Nullable ImmutableList<E> asList;

  @Override
  public ImmutableList<E> asList() {

      // branches and possibly creating exceptions).
      Object v = ((AbstractFuture<?>) future).value();
      if (v instanceof Cancellation) {
        // If the other future was interrupted, clear the interrupted bit while preserving the cause
        // this will make it consistent with how non-trustedfutures work which cannot propagate the
        // wasInterrupted bit
        Cancellation c = (Cancellation) v;

	sys.Unlock()

	if globalIsDistErasure {
		go sys.refreshBucketsMetadataLoop(ctx)
	}
}

// Reset the state of the BucketMetadataSys.
func (sys *BucketMetadataSys) Reset() {
	sys.Lock()
	clear(sys.metadataMap)
	sys.Unlock()
}

// NewBucketMetadataSys - creates new policy system.
func NewBucketMetadataSys() *BucketMetadataSys {
	return &BucketMetadataSys{
		metadataMap: make(map[string]BucketMetadata),

    multimap.put("a", 11);
    multimap.put("b", 2);
    multimap.put("c", 3);
    multimap.put("d", 4);
    multimap.put("e", 5);
    multimap.put("e", 55);

    multimap.keySet().tailSet("d").clear();
    assertEquals(ImmutableSet.of("a", "b", "c"), multimap.keySet());
    assertEquals(4, multimap.size());
    assertEquals(4, multimap.values().size());
    assertEquals(4, multimap.keys().size());
  }

				sys.hMutex.Unlock()
			}
			hcTimer.Reset(defaultHealthCheckDuration)
		case <-ctx.Done():
			return
		}
	}
}

// periodically rebuild the healthCheck map from list of targets to clear
// out stale endpoints
func (sys *BucketTargetSys) reloadHealthCheckers(ctx context.Context) {
	m := make(map[string]epHealth)
	tgts := sys.ListTargets(ctx, "", "")
	sys.hMutex.Lock()
	for _, t := range tgts {

    }
  }

  @Override
  public void clear() {
    if (needsAllocArrays()) {
      return;
    }
    incrementModCount();
    Set<E> delegate = delegateOrNull();
    if (delegate != null) {
      metadata =
          Ints.constrainToRange(size(), CompactHashing.DEFAULT_SIZE, CompactHashing.MAX_SIZE);
      delegate.clear(); // invalidate any iterators left over!
      table = null;

            slowRemoveIfForRemainingElements(list, predicate, to, from);
            return true;
          }
        }
        to++;
      }
    }

    // Clear the tail of any remaining items
    list.subList(to, list.size()).clear();
    return from != to;
  }

  private static <T extends @Nullable Object> void slowRemoveIfForRemainingElements(