return pwAuth instanceof jcifs.smb.NtlmPasswordAuthentication
                && !((jcifs.smb.NtlmPasswordAuthentication) pwAuth).areHashesExternal() && pwAuth.getPassword().isEmpty();
    }

    @Override
    protected int writeBytesWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        assertEquals(LoginModuleControlFlag.REQUIRED, e.getControlFlag(), "Control flag should be REQUIRED");
        assertNotNull(e.getOptions(), "Options map should not be null");
        assertTrue(e.getOptions().isEmpty(), "Default options should be empty");
    }

    @ParameterizedTest
    @NullSource
    @ValueSource(strings = { "", "svc/******@****.***" })
    @DisplayName("Name parameter is ignored (null/empty/arbitrary)")

          return backingSortedMap.entrySet().iterator();
        }
      };
    }

    @Override
    public void clear() {
      standardClear();
    }

    @Override
    public boolean isEmpty() {
      return standardIsEmpty();
    }

    @Override
    public SortedMap<K, V> subMap(K fromKey, K toKey) {
      return standardSubMap(fromKey, toKey);
    }
  }

        return sources;
    }

    public static void appendFile(File file, String name, String type, StringBuilder output) {
        String text = FileUtils.read(file, "UTF-8");
        if (text.trim().isEmpty()) {
            return;
        }
        appendText(text, name, type, output);
    }

    public static void appendText(String text, final String name, final String type, StringBuilder output) {

     * @throws IllegalArgumentException if duplicate keys were added
     */
    public ImmutableClassToInstanceMap<B> build() {
      ImmutableMap<Class<? extends B>, B> map = mapBuilder.buildOrThrow();
      if (map.isEmpty()) {
        return of();
      } else {
        return new ImmutableClassToInstanceMap<>(map);
      }
    }
  }

  /**

    }

    @Override
    public boolean containsAll(Collection<?> collection) {
      return standardContainsAll(collection);
    }

    @Override
    public boolean isEmpty() {
      return standardIsEmpty();
    }

    @Override
    public Iterator<E> iterator() {
      return standardIterator();
    }

    @Override

    assertThat(future.isDone()).isFalse();
    assertThat(executedRunnables).isEmpty();
    assertThat(pendingRunnables).hasSize(1);
    pendingRunnables.remove(0).run();
    assertThat(future.isDone()).isTrue();
    assertThat(executedRunnables).containsExactly(runnable);
    assertThat(pendingRunnables).isEmpty();
  }

  public void testSubmit_runnable_throwsException() throws Exception {

    assertThat(future.isDone()).isFalse();
    assertThat(executedRunnables).isEmpty();
    assertThat(pendingRunnables).hasSize(1);
    pendingRunnables.remove(0).run();
    assertThat(future.isDone()).isTrue();
    assertThat(executedRunnables).containsExactly(runnable);
    assertThat(pendingRunnables).isEmpty();
  }

  public void testSubmit_runnable_throwsException() throws Exception {

    ImmutableValueGraph<String, Integer> graph =
        ValueGraphBuilder.directed().<String, Integer>immutable().addNode("A").build();

    assertThat(graph.nodes()).containsExactly("A");
    assertThat(graph.edges()).isEmpty();
  }

  @Test
  public void immutableValueGraphBuilder_putEdgeFromNodes() {
    ImmutableValueGraph<String, Integer> graph =
        ValueGraphBuilder.directed()
            .<String, Integer>immutable()

    registry.unregister(s1);
    assertEquals(1, registry.getSubscribersForTesting(String.class).size());

    registry.unregister(s2);
    assertTrue(registry.getSubscribersForTesting(String.class).isEmpty());
  }

  public void testUnregister_notRegistered() {
    assertThrows(IllegalArgumentException.class, () -> registry.unregister(new StringSubscriber()));

    StringSubscriber s1 = new StringSubscriber();