}

    List<String> sampleDataList = new ArrayList<>();
    sampleDataList.addAll(hits);
    sampleDataList.addAll(misses);
    Collections.shuffle(sampleDataList);
    sampleData = sampleDataList.toArray(new String[sampleDataList.size()]);
  }

  // Since we can't pass a concrete SomeEnum.class directly, we need to use a raw type.
  @SuppressWarnings("unchecked")
  @Benchmark
  boolean getIfPresent(int repetitions) {

        if (input instanceof String[]) {
            values = (String[]) input;
        } else if (input instanceof List) {
            values = ((List<?>) input).stream().filter(Objects::nonNull).map(Object::toString).toArray(n -> new String[n]);
        } else if (input instanceof String) {
            return input.toString();
        }
        if (values != null) {

          if (combined.size() > 1) { // Object is implicit and only useful if it's the only bound.
            combined.remove(Object.class);
          }
          return super.captureAsTypeVariable(combined.toArray(new Type[0]));
        }
      };
    }

    private WildcardCapturer notForTypeVariable() {
      return new WildcardCapturer(id);
    }

      return forward.descendingIterator();
    }

    @Override
    public @Nullable Object[] toArray() {
      return standardToArray();
    }

    @Override
    @SuppressWarnings("nullness") // b/192354773 in our checker affects toArray declarations
    public <T extends @Nullable Object> T[] toArray(T[] array) {
      return standardToArray(array);
    }

    @Override

                    log.error("Failed to reconnect handle: " + handle.path, e);
                }
            }));
        }
        
        // Wait for all reconnections
        CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])).join();
    }
}
```

## 11. Monitoring and Metrics

### 11.1 Handle Statistics
```java
public class HandleStatistics {

    assertThrows(UnsupportedOperationException.class, () -> entry.setValue("four"));
    @SuppressWarnings("unchecked")
    Entry<Integer, String> entry2 = (Entry<Integer, String>) entries.toArray()[0];
    assertThrows(UnsupportedOperationException.class, () -> entry2.setValue("four"));
  }

  public void testImmutableEntry() {
    Entry<String, Integer> e = immutableEntry("foo", 1);

                    searchRequestBuilder.setQuery(
                            QueryBuilders.termsQuery(docIdField, deleteFileMap.keySet().toArray(new String[deleteFileMap.size()])));
                    searchRequestBuilder.setFetchSource(new String[] { docIdField }, StringUtil.EMPTY_STRINGS);
                    return true;
                }).forEach(m -> {

          if (combined.size() > 1) { // Object is implicit and only useful if it's the only bound.
            combined.remove(Object.class);
          }
          return super.captureAsTypeVariable(combined.toArray(new Type[0]));
        }
      };
    }

    private WildcardCapturer notForTypeVariable() {
      return new WildcardCapturer(id);
    }

            }
        });
        
        futures.add(future);
    }
    
    // Wait for all reads to complete
    try {
        CompletableFuture.allOf(futures.toArray(new CompletableFuture[0]))
            .get(30, TimeUnit.SECONDS);
    } catch (Exception e) {
        throw new IOException("Multi-channel read failed", e);
    }
}
```

## 6. Configuration

   */
  @GwtIncompatible // Array.newInstance(Class, int)
  public static <T extends @Nullable Object> T[] toArray(
      Iterator<? extends T> iterator, Class<@NonNull T> type) {
    List<T> list = Lists.newArrayList(iterator);
    return Iterables.<T>toArray(list, type);
  }

  /**
   * Adds all elements in {@code iterator} to {@code collection}. The iterator will be left