* is unnecessary; for example, {@code copyOf(copyOf(anArrayList))} will copy the data only once.
   * This reduces the expense of habitually making defensive copies at API boundaries. However, the
   * precise conditions for skipping the copy operation are undefined.
   *
   * @throws NullPointerException if any of {@code elements} is null

 *       unnecessary; for example, {@code copyOf(copyOf(anArrayList))} should copy the data only
 *       once. This reduces the expense of habitually making defensive copies at API boundaries.
 *       However, the precise conditions for skipping the copy operation are undefined.
 *   <li><b>Warning:</b> a view collection such as {@link ImmutableMap#keySet} or {@link

        final int rankConstant = fessConfig.getRankFusionRankConstantAsInteger();
        // Guard against division by zero (should not happen due to caller checks, but defensive)
        if (searchers.length == 0) {
            logger.warn("searchWithMultipleSearchers called with empty searcher array");

      if (!readable) return null
      if (!civilizedFileSystem && (currentEditor != null || zombie)) return null

      val sources = mutableListOf<Source>()
      val lengths = this.lengths.clone() // Defensive copy since these can be zeroed out.
      try {
        for (i in 0 until valueCount) {
          sources += newSource(i)
        }
        return Snapshot(key, sequenceNumber, sources, lengths)

        return Iterators.concat(Iterators.transform(inputs.iterator(), Iterable::iterator));
      }
    };
  }

  /** Concatenates a varargs array of iterables without making a defensive copy of the array. */
  private static <T extends @Nullable Object> FluentIterable<T> concatNoDefensiveCopy(
      Iterable<? extends T>... inputs) {
    for (Iterable<? extends T> input : inputs) {

          return copyOfSortedEntries(comparator, multiset.entrySet().asList());
        } else {
          return multiset;
        }
      }
    }
    elements = Lists.newArrayList(elements); // defensive copy
    TreeMultiset<E> sortedCopy = TreeMultiset.create(checkNotNull(comparator));
    Iterables.addAll(sortedCopy, elements);
    return copyOfSortedEntries(comparator, sortedCopy.entrySet());
  }

  /**

			// any valid content, if any is recoverable. But if
			// notFoundDataDirs are already greater than the data
			// blocks all bets are off and it is safe to purge.
			//
			// This is purely a defensive code, ideally parityBlocks
			// is sufficient, however we can't know that since we
			// do have the FileInfo{}.
			return validMeta, true
		}

		// We have no idea what this file is, leave it as is.

		// present.
		if len(svcPolicies) == 0 {
			policySet, _ := policy.GetPoliciesFromClaims(args.Claims, iamPolicyClaimNameOpenID())
			svcPolicies = policySet.ToSlice()
		}
	}

	// Defensive code: Do not allow any operation if no policy is found.
	if !isOwnerDerived && len(svcPolicies) == 0 {
		return false
	}

	var combinedPolicy policy.Policy
	// Policies were found, evaluate all of them.

			poolObjInfos[i] = pinfo
		}(i, pool, poolOpts[i])
	}
	wg.Wait()

	// Sort the objInfos such that we always serve latest
	// this is a defensive change to handle any duplicate
	// content that may have been created, we always serve
	// the latest object.
	sort.Slice(poolObjInfos, func(i, j int) bool {
		mtime1 := poolObjInfos[i].ObjInfo.ModTime

		// noncurrent versions of this object.
		if lr.LockEnabled {
			return lifecycle.Event{Action: lifecycle.NoneAction}
		}

	case lifecycle.DeleteVersionAction, lifecycle.DeleteRestoredVersionAction:
		// Defensive code, should never happen
		if obj.VersionID == "" {
			return lifecycle.Event{Action: lifecycle.NoneAction}
		}
		if lr.LockEnabled && enforceRetentionForDeletion(ctx, obj) {
			if serverDebugLog {