new EqualsTester().addEqualityGroup(new EqualsBasedOnToString("foo")).testEquals());
    assertThat(e).hasMessageThat().contains("toString representation");
  }

  private static void assertErrorMessage(Throwable e, String message) {
    // TODO(kevinb): use a Truth assertion here
    if (!e.getMessage().contains(message)) {
      fail("expected <" + e.getMessage() + "> to contain <" + message + ">");
    }
  }

  /**

                } catch (final DataStoreCrawlingException e) {
                    crawlerStatsHelper.record(keyObj, StatsAction.ACCESS_EXCEPTION);
                    final Throwable cause = e.getCause();
                    if (cause instanceof ChildUrlsException) {
                        ((ChildUrlsException) cause).getChildUrlList().stream().map(RequestData::getUrl).forEach(s -> {

        Character.class,
        int[].class,
        Object[].class,
        UnsignedInteger.class,
        UnsignedLong.class,
        BigInteger.class,
        BigDecimal.class,
        Throwable.class,
        Error.class,
        Exception.class,
        RuntimeException.class,
        Charset.class,
        Locale.class,
        Currency.class,
        List.class,
        Entry.class,

      this.typeVariableImpl = typeVariableImpl;
    }

    @Override
    @CheckForNull
    public Object invoke(Object proxy, Method method, @CheckForNull @Nullable Object[] args)
        throws Throwable {
      String methodName = method.getName();
      Method typeVariableMethod = typeVariableMethods.get(methodName);
      if (typeVariableMethod == null) {
        throw new UnsupportedOperationException(methodName);

            } catch (Exception e) {
                uncheckedThrow(e);
                return null;
            }
        };
    }

    static <T extends Throwable> void uncheckedThrow(Throwable t) throws T {
        throw (T) t; // rely on vacuous cast
    }

    private void fireEvent(
            Model model,
            ModelBuildingRequest request,

      return futureValue.set(newValue);
    }

    @CanIgnoreReturnValue
    public boolean setException(Throwable t) {
      return futureValue.setException(t);
    }

    private ListenableFuture<V> fullyFailedFuture(Throwable t) {
      return immediateFailedFuture(t);
    }

    @Override
    public void notifyNewValue(@CheckForNull V newValue) {

 */

package com.google.common.io;

import static com.google.common.base.StandardSystemProperty.JAVA_IO_TMPDIR;
import static com.google.common.base.StandardSystemProperty.USER_NAME;
import static com.google.common.base.Throwables.throwIfUnchecked;
import static java.nio.file.attribute.AclEntryFlag.DIRECTORY_INHERIT;
import static java.nio.file.attribute.AclEntryFlag.FILE_INHERIT;
import static java.nio.file.attribute.AclEntryType.ALLOW;

        return res;
    }


    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#finalize()
     */
    @Override
    protected void finalize () throws Throwable {
        if ( isConnected() && this.usageCount.get() != 0 ) {
            log.warn("Tree was not properly released");
        }
    }


    /**
     * 
     * @return whether the tree is connected

            ExceptionHandler handler = new DefaultExceptionHandler();
            Map<String, String> references = new LinkedHashMap<>();
            List<MavenProject> failedProjects = new ArrayList<>();

            for (Throwable exception : result.getExceptions()) {
                ExceptionSummary summary = handler.handleException(exception);
                logSummary(context, summary, references, "");

            } else if (logger.isInfoEnabled()) {
                logger.info("IndexUpdater is terminated.");
            }
            forceStop();
        } catch (final Throwable t) {
            if (ComponentUtil.available()) {
                logger.error("IndexUpdater is terminated.", t);
            } else if (logger.isDebugEnabled()) {