assertThat(Adapters.OBJECT_IDENTIFIER.toDer(SHA256_WITH_RSA_ENCRYPTION)).isEqualTo(bytes)
  }

  @Test fun `null value`() {
    val bytes = "0500".decodeHex()
    assertThat(Adapters.NULL.fromDer(bytes)).isNull()
    assertThat(Adapters.NULL.toDer(null)).isEqualTo(bytes)
  }

  @Test fun `sequence algorithm`() {
    val bytes = "300d06092a864886f70d01010b0500".decodeHex()

    return ObjectPredicate.ALWAYS_FALSE.withNarrowedType();
  }

  /**
   * Returns a predicate that evaluates to {@code true} if the object reference being tested is
   * null.
   *
   * <p><b>Discouraged:</b> Prefer using either {@code x -> x == null} or {@code Objects::isNull},
   * but note that lambdas and method references do not have human-readable {@link #toString()}
   * representations and are not serializable.
   */

            final String key = getHostKey(entity);
            Pair<Map<String, String>, List<Pair<Pattern, String>>> pair = relatedContentMap.get(key);
            if (pair == null) {
                pair = new Pair<>(new HashMap<>(), new ArrayList<>());
                relatedContentMap.put(key, pair);
            }
            if (entity.getTerm().startsWith(regexPrefix)) {

        List<String> unversionedPlugins = executionPlan.getMojoExecutions().stream()
                .map(MojoExecution::getPlugin)
                .filter(p -> p.getLocation("version") != null
                        && p.getLocation("version").getSource() != null
                        && defaulModelId.equals(
                                p.getLocation("version").getSource().getModelId()))
                .distinct()

    Function<N, V> successorNodeToValueFn =
        (N successorNode) ->
            // requireNonNull is safe because the endpoint pair comes from the graph.
            requireNonNull(graph.edgeValueOrDefault(node, successorNode, null));
    return graph.isDirected()
        ? DirectedGraphConnections.ofImmutable(
            node, graph.incidentEdges(node), successorNodeToValueFn)
        : UndirectedGraphConnections.ofImmutable(

                org.codelibs.fess.FessBoot $FESS_OPTS > /dev/null
    else
        exec "$JAVA" $FESS_JAVA_OPTS $fess_parms -Dfess.es.dir="$SEARCH_ENGINE_HOME" -cp "$FESS_CLASSPATH" $props \
                org.codelibs.fess.FessBoot $FESS_OPTS <&- > /dev/null &
        if [ x"$pidfile" != "x" ] ; then
            echo $! > $pidfile
        fi
        return $?
    fi
}

 * Handles security provider initialization and cryptographic operations for SMB authentication.
 *
 * @author mbechler
 */
public final class Crypto {

    private static Provider provider = null;

    /**
     *
     */
    private Crypto() {
    }

    /**
     * Get an MD4 message digest instance.
     * @return MD4 digest instance
     */
    public static MessageDigest getMD4() {

    assertContentsAnyOrder(multimap().asMap().get(null), getValueForNullKey());
  }

  @MapFeature.Require(ALLOWS_NULL_KEY_QUERIES)
  public void testAsMapGetNullKeyAbsent() {
    assertNull(multimap().asMap().get(null));
  }

  @MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES)
  public void testAsMapGetNullKeyUnsupported() {
    assertThrows(NullPointerException.class, () -> multimap().asMap().get(null));
  }

          public @Nullable Void call() throws Exception {
            // adds two nanoseconds to the ticker
            ticker.advance(1L);
            Thread.sleep(10);
            ticker.advance(1L);
            return null;
          }
        });

    assertEquals(numberOfThreads * 2, ticker.read());
  }

  @GwtIncompatible // concurrency

  public void testConcurrentAutoIncrementStep() throws Exception {

@Beta
public interface MutableNetwork<N, E> extends Network<N, E> {

  /**
   * Adds {@code node} if it is not already present.
   *
   * <p><b>Nodes must be unique</b>, just as {@code Map} keys must be. They must also be non-null.
   *
   * @return {@code true} if the network was modified as a result of this call
   */
  @CanIgnoreReturnValue
  boolean addNode(N node);

  /**
   * Adds {@code edge} connecting {@code nodeU} to {@code nodeV}.