public V get(K key) {
    Entry<Range<K>, V> entry = getEntry(key);
    return (entry == null) ? null : entry.getValue();
  }

  @Override
  @CheckForNull
  public Entry<Range<K>, V> getEntry(K key) {
    Entry<Cut<K>, RangeMapEntry<K, V>> mapEntry =
        entriesByLowerBound.floorEntry(Cut.belowValue(key));
    if (mapEntry != null && mapEntry.getValue().contains(key)) {
      return mapEntry.getValue();
    } else {

@Deprecated
public class TestRepositorySystem implements RepositorySystem {

    private final ModelReader modelReader;

    private final ArtifactFactory artifactFactory;

    public TestRepositorySystem() {
        this(null, null);
    }

    @Inject
    public TestRepositorySystem(ModelReader modelReader, ArtifactFactory artifactFactory) {
        this.modelReader = modelReader;
        this.artifactFactory = artifactFactory;
    }

  private var constructed = false

  private var peekedHeader: DerHeader? = null

  private val bytesLeft: Long
    get() = if (limit == -1L) -1L else (limit - byteCount)

  fun hasNext(): Boolean = peekHeader() != null

  /**
   * Returns the next header to process unless this scope is exhausted.
   *
   * This returns null if:
   *
   *  * The stream is exhausted.

                final KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
                keyStore.load(null, null);
                keyStore.setCertificateEntry("server", certificate);

                final TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());

    assertEquals(0, multimap().keys().count(null));
  }

  @CollectionSize.Require(SEVERAL)
  @MapFeature.Require(ALLOWS_NULL_KEYS)
  public void testKeysWithNullKey() {
    resetContainer(mapEntry((K) null, v0()), mapEntry((K) null, v1()), mapEntry(k1(), v0()));
    Multiset<K> keys = multimap().keys();
    assertEquals(2, keys.count(null));
    assertEquals(1, keys.count(k1()));
    assertEquals(3, keys.size());

        if ( INSTANCE != null ) {
            throw new CIFSException("Singleton context is already initialized");
        }
        Properties p = new Properties();
        try {
            String filename = System.getProperty("jcifs.properties");
            if ( filename != null && filename.length() > 1 ) {

                def newNullability = newParametersNullability[idx]
                if (oldNullability && !newNullability) {
                    errors << "Parameter $idx from null accepting to non-null accepting breaking change".toString()
                } else if (!oldNullability && newNullability) {
                    warnings << "Parameter $idx nullability changed from non-nullable to nullable".toString()

    try {
      assertNull(
          "remove(null) should return null or throw NullPointerException", getMap().remove(null));
    } catch (NullPointerException tolerated) {
    }
    expectUnchanged();
  }

  @MapFeature.Require({SUPPORTS_REMOVE, ALLOWS_NULL_KEY_QUERIES})
  public void testRemove_nullSupportedMissing() {
    assertNull("remove(null) should return null", getMap().remove(null));
    expectUnchanged();
  }

        if (!Collection.class.isAssignableFrom(parameterTypes[index]) || !isParameterized(index)) {
            return null;
        }
        final ParameterizedClassDesc pcd = parameterizedClassDescs[index].getArguments()[0];
        if (pcd == null) {
            return null;
        }
        return pcd.getRawClass();
    }

    @Override
    public Class<?> getKeyClassOfMap(final int index) {

            URLStreamHandler handler = (URLStreamHandler)
                    PROTOCOL_HANDLERS.get(protocol);
            if (handler != null) return handler;
            if (factory != null) {
                handler = factory.createURLStreamHandler(protocol);
            }
            if (handler == null) {
                String path = System.getProperty(HANDLER_PKGS_PROPERTY);