}

  // TODO(benyu): migrate all subtyping tests from TypeTokenTest to this class using SubtypeTester.

  private interface Outdoor {}

  private interface Indoor {}

  private interface Grocery {}

  private interface Electronics {}

  private interface ConsumerFacing<T> {}

  private static class Mall<T> {
    class Shop<ProductT> {}

    abstract class Retailer<ProductT> extends Shop<ProductT>

     */
    private int allPageCount;

    /**
     * Flag indicating if a previous page exists.
     */
    private boolean existPrePage;

    /**
     * Flag indicating if a next page exists.
     */
    private boolean existNextPage;

    /**
     * List of page numbers for pagination.
     */
    private List<Integer> pageNumberList;

    /**
     * Number of records per page.
     */

    private static final String FESS_TEMP_PATH = "fess.temp.path";

    /** System property key for Fess variable directory path */
    private static final String FESS_VAR_PATH = "fess.var.path";

    /** System property key for Fess web application path */
    private static final String FESS_WEBAPP_PATH = "fess.webapp.path";

    /** System property key for Java temporary directory */

    }
    suite.addTestSuite(CharSourceTest.class);
    return suite;
  }

  private static final String STRING = ASCII + I18N;
  private static final String LINES = "foo\nbar\r\nbaz\rsomething";
  private static final ImmutableList<String> SPLIT_LINES =
      ImmutableList.of("foo", "bar", "baz", "something");

  private TestCharSource source;

  @Override
  public void setUp() {

 * (except `hashCode` and `equals`) if the provided `Supplier` returns false.
 */
final class InvalidatableSet<E> extends ForwardingSet<E> {
  private final Supplier<Boolean> validator;
  private final Set<E> delegate;
  private final Supplier<String> errorMessage;

  static <E> InvalidatableSet<E> of(
      Set<E> delegate, Supplier<Boolean> validator, Supplier<String> errorMessage) {

    private static class TestServerMessageBlock2Response extends ServerMessageBlock2Response {

        private ServerMessageBlock2 nextBlock;
        private boolean async = false;
        private boolean retainPayload = false;
        private byte[] rawPayload;
        private Smb2SigningDigest digest;

        public TestServerMessageBlock2Response(Configuration config) {
            super(config);
        }

    assertThat(future.set(1)).isTrue();
    assertSuccessful(future, 1);
  }

  /** Concrete subclass for testing. */
  private static class TestedFuture<V> extends AbstractFuture<V> {
    private static <V> TestedFuture<V> create() {
      return new TestedFuture<V>();
    }
  }

  private static final class CountingRunnable implements Runnable {
    int count;

    @Override
    public void run() {

        // Default constructor
    }

    private static final long serialVersionUID = 1L;

    /** The total number of records. */
    private int allRecordCount;

    /**
     * The total number of pages.
     */
    private int allPageCount;

    /** Whether a previous page exists. */
    private boolean existPrePage;

    /** Whether a next page exists. */
    private boolean existNextPage;

            // Expected when null listener is set
        }
    }

    // Test helper classes
    private static class TestScriptEngine implements ScriptEngine {
        private String lastScript;
        private Map<String, Object> lastParams;
        private final String prefix;

        public TestScriptEngine() {
            this.prefix = "";
        }

        }
        return difference(multiset1, multiset2);
      }
    };
  }

  private static final ImmutableMultiset<String> ELEMENTS_TO_FILTER_OUT =
      ImmutableMultiset.of("foobar", "bazfoo", "foobar", "foobar");

  private static final Predicate<String> PREDICATE = not(Predicates.in(ELEMENTS_TO_FILTER_OUT));

  private static TestStringMultisetGenerator filteredGenerator() {
    return new TestStringMultisetGenerator() {