appendJsonValue(json, entry.getValue());
            }
            json.append("}");
        } else if (value instanceof Number) {
            json.append(value);
        } else if (value instanceof Boolean) {
            json.append(value);
        } else {
            json.append("\"").append(escapeJson(String.valueOf(value))).append("\"");
        }
    }

        // Test that PluginException is an instance of FessSystemException
        PluginException exception = new PluginException("Test message");

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    @Test

        InvalidAccessTokenException exception = new InvalidAccessTokenException(type, message);

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    @Test
    public void test_throwAndCatch() {
        // Test throwing and catching the exception

    assertTrue(multimap.keySet() instanceof SortedSet);
    assertTrue(multimap.asMap() instanceof SortedMap);
  }

  public void testTreeKeys_gwtCompatible() {
    ListMultimap<String, Integer> multimap =
        rawtypeToWildcard(MultimapBuilder.treeKeys()).arrayListValues().<String, Integer>build();
    assertTrue(multimap.keySet() instanceof SortedSet);
    assertTrue(multimap.asMap() instanceof SortedMap);

      return new short[buckets];
    } else {
      return new int[buckets];
    }
  }

  static void tableClear(Object table) {
    if (table instanceof byte[]) {
      Arrays.fill((byte[]) table, (byte) 0);
    } else if (table instanceof short[]) {
      Arrays.fill((short[]) table, (short) 0);
    } else {
      Arrays.fill((int[]) table, 0);
    }
  }

  /**

        assertTrue(
                tms.get(0) instanceof ReleaseArtifactTransformation,
                "We expected the release transformation and got " + tms.get(0));

        assertTrue(
                tms.get(1) instanceof LatestArtifactTransformation,
                "We expected the latest transformation and got " + tms.get(1));

        assertTrue(
                tms.get(2) instanceof SnapshotTransformation,

   * example, {@code instanceOf(ArrayList.class)} will yield different results for the two equal
   * instances {@code Lists.newArrayList(1)} and {@code Arrays.asList(1)}.
   *
   * <p><b>Discouraged:</b> Prefer using {@code clazz::isInstance} or {@code x -> x instanceof
   * Clazz}, but note that lambdas do not have human-readable {@link #toString()} representations

    if (iterable instanceof Collection) {
      Collection<? extends T> c = (Collection<? extends T>) iterable;
      if (c.isEmpty()) {
        return defaultValue;
      } else if (iterable instanceof List) {
        return getLastInNonemptyList((List<? extends T>) iterable);
      } else if (iterable instanceof SortedSet) {
        return ((SortedSet<? extends T>) iterable).last();

   * called on the {@code TypeVariable} instance has the same name as one of the public methods of
   * {@link TypeVariableImpl}, the proxy calls the same method on its instance of {@code
   * TypeVariableImpl}. Otherwise it throws {@link UnsupportedOperationException}; this should only
   * apply to {@code getAnnotatedBounds()}. This does mean that users on Java who obtain an instance

        // Test that ScriptEngineException is an instance of FessSystemException
        ScriptEngineException exception = new ScriptEngineException("test");

        assertTrue(exception instanceof FessSystemException);
        assertTrue(exception instanceof RuntimeException);
        assertTrue(exception instanceof Exception);
        assertTrue(exception instanceof Throwable);
    }

    @Test