assertThat(encoding.decode(encoded)).isEqualTo(decoded);
  }

  private static void assertFailsToDecode(BaseEncoding encoding, String cannotDecode) {
    assertFailsToDecode(encoding, cannotDecode, null);
  }

  private static void assertFailsToDecode(
      BaseEncoding encoding, String cannotDecode, @Nullable String expectedMessage) {

      if (added < numElements) { // not enough elements immediately available; will have to poll
        E e = q.poll(deadline - System.nanoTime(), NANOSECONDS);
        if (e == null) {
          break; // we already waited enough, and there are no more elements in sight
        }
        buffer.add(e);
        added++;
      }
    }
    return added;
  }

  /**

   */
  static int smear(int hashCode) {
    return (int) (C2 * Integer.rotateLeft((int) (hashCode * C1), 15));
  }

  static int smearedHash(@CheckForNull Object o) {
    return smear((o == null) ? 0 : o.hashCode());
  }

  private static final int MAX_TABLE_SIZE = Ints.MAX_POWER_OF_TWO;

  static int closedTableSize(int expectedEntries, double loadFactor) {
    // Get the recommended table size.

@ElementTypesAreNonnullByDefault
abstract class AbstractRangeSet<C extends Comparable> implements RangeSet<C> {
  AbstractRangeSet() {}

  @Override
  public boolean contains(C value) {
    return rangeContaining(value) != null;
  }

  @Override
  @CheckForNull
  public abstract Range<C> rangeContaining(C value);

  @Override
  public boolean isEmpty() {
    return asRanges().isEmpty();
  }

  @Override

  }

  @Override
  public void testNulls() throws Exception {
    try {
      super.testNulls();
    } catch (AssertionError e) {
      assertWithMessage("Method did not throw null pointer OR element not in graph exception.")
          .that(e)
          .hasCauseThat()
          .hasMessageThat()
          .contains(ERROR_ELEMENT_NOT_IN_GRAPH);
    }
  }

   */
  Iterator<EndpointPair<N>> incidentEdgeIterator(N thisNode);

  /**
   * Returns the value associated with the edge connecting the origin node to {@code node}, or null
   * if there is no such edge.
   */
  @CheckForNull
  V value(N node);

  /** Remove {@code node} from the set of predecessors. */
  void removePredecessor(N node);

  /**

    }

    /**
     * @throws Exception
     */
    @Test
    public void testIsAncestor() throws Exception {
        final ClassLoader cl1 = new URLClassLoader(new URL[] { new URL("file:/foo") }, null);
        final ClassLoader cl2 = new URLClassLoader(new URL[] { new URL("file:/bar") }, cl1);
        final ClassLoader cl3 = new URLClassLoader(new URL[] { new URL("file:/baz") }, cl2);

    public int hashCode() {
        return hashCode;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }

        if (!ArtifactModelSource.class.equals(obj.getClass())) {
            return false;
        }

        ArtifactModelSource other = (ArtifactModelSource) obj;

    }

    /**
     * Creates a new settings builder instance.
     *
     * @return The new settings builder instance, never {@code null}.
     */
    public DefaultSettingsBuilder newInstance() {
        return new DefaultSettingsBuilder(
                new org.apache.maven.internal.impl.DefaultSettingsBuilder(),

	for i in $(seq 1 4); do
		"${MINIO[@]}" --address ":$((start_port + i))" ${args[@]} 2>&1 >"${WORK_DIR}/server$i.log" &
	done

	# Wait until all nodes return 403
	for i in $(seq 1 4); do
		while [ "$(curl -m 1 -s -o /dev/null -w "%{http_code}" http://localhost:$((start_port + i)))" -ne "403" ]; do
			echo -n "."
			sleep 1
		done
	done

}

# Prepare fake disks with losetup
function prepare_block_devices() {
	set -e