}

  public void testReady() throws Exception {
    CharSource source = newCharSource("a");
    Iterable<? extends CharSource> list = ImmutableList.of(source, source);
    Reader joinedReader = CharSource.concat(list).openStream();

    assertTrue(joinedReader.ready());
    assertEquals('a', joinedReader.read());
    assertEquals('a', joinedReader.read());

          throw PermittedMetaException.UOE;
        }
      } else if (stackWithLastReturnedElementAtTop == null) {
        throw PermittedMetaException.ISE;
      }
    }

    private List<E> getElements() {
      List<E> elements = new ArrayList<>();
      Helpers.addAll(elements, previousElements);
      Helpers.addAll(elements, Helpers.reverse(nextElements));
      return elements;
    }
  }

  }

  @SuppressWarnings("rawtypes") // class literals
  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {
    List<Class<? extends AbstractTester>> testers = copyToList(super.getTesters());
    testers.add(NavigableMapNavigationTester.class);
    return testers;
  }

  @Override
  protected List<TestSuite> createDerivedSuites(
      FeatureSpecificTestSuiteBuilder<

      return snapshot().toArray(array);
    }

    private List<Multiset.Entry<E>> snapshot() {
      List<Multiset.Entry<E>> list = newArrayListWithExpectedSize(size());
      // Not Iterables.addAll(list, this), because that'll forward right back here.
      Iterators.addAll(list, iterator());
      return list;
    }
  }

  /** @serialData the ConcurrentMap of elements and their counts. */

            refresh();
        }

        checkUpdate();
    }

    @Override
    protected List<Map<String, Object>> getItemList(final Map<String, Object> body) {
        final String response = checkMethodBase(body).get(getApiPath() + "/" + getListEndpointSuffix()).asString();
        final List<Map<String, Object>> results = JsonPath.from(response).getList("response.docs");
        return results;
    }

        return redirect(getClass()); // no-op
    }

    public static List<Map<String, Object>> getLogFileItems() {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final List<Map<String, Object>> logFileItems = new ArrayList<>();
        final String logFilePath = systemHelper.getLogFilePath();

      @Override
      protected Multiset<String> create(String[] elements) {
        return LinkedHashMultiset.create(asList(elements));
      }

      @Override
      public List<String> order(List<String> insertionOrder) {
        List<String> order = Lists.newArrayList();
        for (String s : insertionOrder) {
          int index = order.indexOf(s);
          if (index == -1) {
            order.add(s);
          } else {

    return delegate().awaitTermination(timeout, unit);
  }

  @Override
  public <T extends @Nullable Object> List<Future<T>> invokeAll(
      Collection<? extends Callable<T>> tasks) throws InterruptedException {
    return delegate().invokeAll(tasks);
  }

  @Override
  public <T extends @Nullable Object> List<Future<T>> invokeAll(
      Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)

```

the default of `q` will be: `["foo", "bar"]` and your response will be:

```JSON
{
  "q": [
    "foo",
    "bar"
  ]
}
```

#### Using just `list`

You can also use `list` directly instead of `List[str]` (or `list[str]` in Python 3.9+):

//// tab | Python 3.9+

```Python hl_lines="9"
{!> ../../docs_src/query_params_str_validations/tutorial013_an_py39.py!}
```

////

    return delegate.submit(task);
  }

  @Override
  public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks)
      throws InterruptedException {
    Preconditions.checkNotNull(tasks, "tasks must not be null!");
    return delegate.invokeAll(tasks);
  }

  @Override
  public <T> List<Future<T>> invokeAll(
      Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)