*
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  public final @Nullable V remove(@Nullable Object o) {
    throw new UnsupportedOperationException();
  }

  /**
   * Guaranteed to throw an exception and leave the map unmodified.
   *

        // Should not throw any exception and simply return.
        assertDoesNotThrow(() -> dfsImpl.cache(mockContext, "\\\\server\\share\\path", mockReferral));
    }

    @Test
    void testCache_InvalidPath() {
        // Scenario: The UNC path provided is invalid.
        DfsReferralDataInternal mockReferral = mock(DfsReferralDataInternal.class);
        // Should not throw any exception.

    @Override
    public final boolean hasNext() {
      if (biMap.modCount != expectedModCount) {
        throw new ConcurrentModificationException();
      }
      return next != null && remaining > 0;
    }

    @Override
    public final T next() {
      if (!hasNext()) {
        throw new NoSuchElementException();
      }

      // requireNonNull is safe because of the hasNext check.

  public final T next() {
    if (!hasNext()) {
      throw new NoSuchElementException();
    }
    state = State.NOT_READY;
    // Safe because hasNext() ensures that tryToComputeNext() has put a T into `next`.
    T result = uncheckedCastNullableTToT(next);
    next = null;
    return result;
  }

  @Override
  public final void remove() {
    throw new UnsupportedOperationException();
  }

        try {
            return makeAccessible(type.getDeclaredMethod(methodName, paramTypes));
        } catch (NoSuchMethodException e) {
            throw new RuntimeException(e);
        }
    }

    private static Method makeAccessible(Method method) {
        method.setAccessible(true);
        return method;
    }

            throw new IllegalStateException("Third party audit task is not configured correctly");
        }
    }

    private String formatClassList(Set<String> classList) {
        return classList.stream().map(name -> "  * " + name).sorted().collect(Collectors.joining("\n"));
    }

    private String runForbiddenAPIsCli() throws IOException {

                        throw new ArtifactDescriptorException(result);
                    }
                }
                invalidDescriptor(session, trace, a, e);
                if ((getPolicy(session, a, request) & ArtifactDescriptorPolicy.IGNORE_INVALID) != 0) {
                    return null;
                }
                result.addException(e);
                throw new ArtifactDescriptorException(result);

   *
   * @throws NoSuchFileException if the file does not exist <i>(optional specific exception)</i>
   * @throws NotDirectoryException if the file could not be opened because it is not a directory
   *     <i>(optional specific exception)</i>
   * @throws IOException if an I/O error occurs
   */
  public static ImmutableList<Path> listFiles(Path dir) throws IOException {

            if (systemProperty(TESTS_REST_CLUSTER) == null) {
                if (systemProperty(TESTS_CLUSTER) != null || systemProperty(TESTS_CLUSTER_NAME) != null) {
                    throw new IllegalArgumentException(
                        String.format("%s, %s, and %s must all be null or non-null", TESTS_REST_CLUSTER, TESTS_CLUSTER, TESTS_CLUSTER_NAME)
                    );
                }

    switch (edgesConnecting.size()) {
      case 0:
        return null;
      case 1:
        return edgesConnecting.iterator().next();
      default:
        throw new IllegalArgumentException(String.format(MULTIPLE_EDGES_CONNECTING, nodeU, nodeV));
    }
  }

  @Override
  public @Nullable E edgeConnectingOrNull(EndpointPair<N> endpoints) {
    validateEndpoints(endpoints);