}

      @Override
      public String toString() {
        return "MoreFiles.isDirectory(" + Arrays.toString(optionsCopy) + ")";
      }
    };
  }

  /** Returns whether or not the file with the given name in the given dir is a directory. */
  private static boolean isDirectory(
      SecureDirectoryStream<Path> dir, Path name, LinkOption... options) throws IOException {

      }

      @Override
      public String toString() {
        return "MoreFiles.isDirectory(" + Arrays.toString(optionsCopy) + ")";
      }
    };
  }

  /** Returns whether or not the file with the given name in the given dir is a directory. */
  private static boolean isDirectory(
      SecureDirectoryStream<Path> dir, Path name, LinkOption... options) throws IOException {

    // TODO: track seen elements when order isn't guaranteed
    // TODO: verify contents afterward
    // TODO: something shiny and new instead of Stack
    // TODO: test whether null is supported (create a Feature)
    /**
     * The elements to be returned by future calls to {@code next()}, with the first at the top of
     * the stack.
     */
    final Stack<E> nextElements = new Stack<>();

 * which approach to use, <b>don't worry</b> too much about it; just pick something that seems
 * reasonable and it will be fine.
 *
 * <ul>
 *   <li>If checking whether the <i>caller</i> has violated your method or constructor's contract
 *       (such as by passing an invalid argument), use the utilities of the {@link Preconditions}
 *       class instead.

			return nil, err
		}
		ids[tgt] = true
	}
	if err := scanner.Err(); err != nil {
		return nil, err
	}
	return
}

// ReadConfig - read content from input and write into c.
// Returns whether all parameters were dynamic.
func (c Config) ReadConfig(r io.Reader) (dynOnly bool, err error) {
	var n int
	scanner := bufio.NewScanner(r)
	dynOnly = true
	for scanner.Scan() {

		delimiter  string
		maxKeys    int
		versioned  bool
		// Expected output of ListObjects.
		resultL ListObjectsInfo
		resultV ListObjectVersionsInfo
		err     error
		// Flag indicating whether the test is expected to pass or not.
		shouldPass bool
	}{
		{testBuckets[0], "unique/", "", "/", 1000, false, resultCases[0], ListObjectVersionsInfo{}, nil, true},

 * class. For example, testing that {@code nodes()} method returns the set of the nodes in the
 * graph. The following test cases are left for the subclasses to handle:
 *
 * <ul>
 *   <li>Test cases related to whether the graph is directed, undirected, mutable, or immutable.
 *   <li>Test cases related to the specific implementation of the {@link Network} interface.
 * </ul>
 *

   *
   * <p>The returned list maintains the values, but not the identities, of {@code Character} objects
   * written to or read from it. For example, whether {@code list.get(0) == list.get(0)} is true for
   * the returned list is unspecified.
   *
   * <p>The returned list is serializable.
   *
   * @param backingArray the array to back the list

   * set a value to {@code null} will result in a {@link NullPointerException}.
   *
   * <p>The returned list maintains the values, but not the identities, of {@code Short} objects
   * written to or read from it. For example, whether {@code list.get(0) == list.get(0)} is true for
   * the returned list is unspecified.
   *
   * <p>The returned list is serializable.
   *
   * @param backingArray the array to back the list

   * set a value to {@code null} will result in a {@link NullPointerException}.
   *
   * <p>The returned list maintains the values, but not the identities, of {@code Short} objects
   * written to or read from it. For example, whether {@code list.get(0) == list.get(0)} is true for
   * the returned list is unspecified.
   *
   * <p>The returned list is serializable.
   *
   * @param backingArray the array to back the list