public void reset() {
            transformCallCount = 0;
            lastResponseData = null;
            returnedResultData = null;
            throwException = false;
        }
    }

    /**
     * Another concrete implementation for testing different scenarios
     */
    public static class NameTrackingTransformer extends AbstractTransformer {
        private final List<String> nameHistory = new ArrayList<>();

        CrawlerSystemException exception3 = new CrawlerSystemException(runtimeCause);
        assertSame(runtimeCause, exception3.getCause());

        // With another CrawlerSystemException cause
        CrawlerSystemException crawlerCause = new CrawlerSystemException("Crawler cause");
        CrawlerSystemException exception4 = new CrawlerSystemException(crawlerCause);

  public final <T extends @Nullable Object> T[] toArray(T[] other) {
    checkNotNull(other);
    int size = size();

    if (other.length < size) {
      Object[] internal = internalArray();
      if (internal != null) {
        return Platform.copy(internal, internalArrayStart(), internalArrayEnd(), other);
      }
      other = ObjectArrays.newArray(other, size);
    } else if (other.length > size) {
      other[size] = null;
    }

      taskFaker.sleep(100.µs)
      log += "blue:finishing@${taskFaker.nanoTime}"
    }
    assertThat(taskFaker.executeCallCount).isEqualTo(1)

    // Running the red task starts another thread, so the two can run in parallel.
    taskFaker.runNextTask()
    assertThat(log).containsExactly("red:starting@0")
    assertThat(taskFaker.executeCallCount).isEqualTo(2)

    // Next the blue task starts.

          ^ argumentsList.hashCode()
          ^ rawType.hashCode();
    }

    @Override
    public boolean equals(@Nullable Object other) {
      if (!(other instanceof ParameterizedType)) {
        return false;
      }
      ParameterizedType that = (ParameterizedType) other;
      return getRawType().equals(that.getRawType())
          && Objects.equals(getOwnerType(), that.getOwnerType())

    AtomicBoolean terminated = new AtomicBoolean();
    // we need to keep this in a flag because t.isInterrupted() returns false after t.join()
    AtomicBoolean interrupted = new AtomicBoolean();
    // we need to use another thread because it will be interrupted and thus using
    // the current one, owned by JUnit, would make the test fail
    Thread thread =
        new Thread(
            new Runnable() {
              @Override

First let's see how editors, mypy and other tools would see this.

`BaseUser` has the base fields. Then `UserIn` inherits from `BaseUser` and adds the `password` field, so, it will include all the fields from both models.

We annotate the function return type as `BaseUser`, but we are actually returning a `UserIn` instance.

  enum State {
    /** The {@link CloseableList} has not been subsumed or closed. */
    OPEN,

    /**
     * The {@link CloseableList} has been subsumed into another. It may not be closed or subsumed
     * into any other.
     */
    SUBSUMED,

    /**
     * Some {@link ListenableFuture} has a callback attached that will close the {@link

			}
			if !slices.Contains(sys.peerClients[idx].GetPools(), poolIdx) {
				continue
			}
			for _, bi := range buckets {
				_, ok := resultMap[bi.Name]
				if ok {
					// Skip it, this bucket is found in another pool
					continue
				}
				bucketsMap[bi.Name]++
				if bucketsMap[bi.Name] >= quorum {
					resultMap[bi.Name] = bi
				}
			}
		}
		// loop through buckets and see if some with lost quorum

				delObjects[obj.origIndex] = dobjects[i]
			}
		}(s.sets[setIdx], objsGroup)
	}
	wg.Wait()

	return delObjects, delErrs
}

// CopyObject - copies objects from one hashedSet to another hashedSet, on server side.
func (s *erasureSets) CopyObject(ctx context.Context, srcBucket, srcObject, dstBucket, dstObject string, srcInfo ObjectInfo, srcOpts, dstOpts ObjectOptions) (objInfo ObjectInfo, err error) {