*/
  public static <K, V> Builder<K, V> builderWithExpectedKeys(int expectedKeys) {
    checkNonnegative(expectedKeys, "expectedKeys");
    return new Builder<>(expectedKeys);
  }

  /**
   * A builder for creating immutable {@code ListMultimap} instances, especially {@code public
   * static final} multimaps ("constant multimaps"). Example:
   *
   * <pre>{@code
   * static final Multimap<String, Integer> STRING_TO_INTEGER_MULTIMAP =

				} else if ev.Type().Elem().AssignableTo(elemType) {
					fieldValue = reflect.Append(fieldValue, ev.Elem())
				} else {
					association.Error = fmt.Errorf("unsupported data type: %v for relation %s", ev.Type(), association.Relationship.Name)
				}

				if elemType.Kind() == reflect.Struct {
					assignBacks = append(assignBacks, assignBack{Source: source, Dest: ev, Index: fieldValue.Len()})
				}
			}

	DB.Migrator().DropTable(&Product2{})
	DB.AutoMigrate(&Product2{})

	product := Product2{Name: "Invalid", Price: 100}

	if err := DB.Create(&product).Error; err == nil {
		t.Fatalf("should returns error %v when creating product, but got nil", err)
	}

	product2 := Product2{Name: "Nice", Price: 100}

	if err := DB.Create(&product2).Error; err != nil {
		t.Fatalf("Failed to create product, got error: %v", err)
	}

```

</div>

If you go to the `/docs` API UI, you will see that it is now updated, and it won't expect to receive the `id` from the client when creating a hero, etc.

<div class="screenshot">
<img src="/img/tutorial/sql-databases/image02.png">
</div>

## Recap

     * 
     * @return whether to track the locations from which resources were created
     */
    boolean isTraceResourceUsage ();


    /**
     * @param command
     * @return whether to allow creating compound requests with that command
     */
    boolean isAllowCompound ( String command );


    /**
     * Machine identifier
     * 
     * ClientGuid, ... are derived from this value.
     * 

	queryValue.Set("policy", "")
	return makeTestTargetURL(endPoint, bucketName, "", queryValue)
}

// return URL for creating the bucket.
func getMakeBucketURL(endPoint, bucketName string) string {
	return makeTestTargetURL(endPoint, bucketName, "", url.Values{})
}

// return URL for creating the bucket.
func getBucketVersioningConfigURL(endPoint, bucketName string) string {
	vals := make(url.Values)

<div style="text-align: right; margin-right: 10%;">Timothy Crosley - <strong><a href="https://github.com/hugapi/hug" target="_blank">Hug</a> creator</strong> <a href="https://news.ycombinator.com/item?id=19455465" target="_blank"><small>(ref)</small></a></div>

---

  public static <E> Builder<E> builderWithExpectedSize(int expectedSize) {
    checkNonnegative(expectedSize, "expectedSize");
    return new ImmutableList.Builder<>(expectedSize);
  }

  /**
   * A builder for creating immutable list instances, especially {@code public static final} lists
   * ("constant lists"). Example:
   *
   * <pre>{@code
   * public static final ImmutableList<Color> GOOGLE_COLORS

                        Collections.emptyList());
            } catch (InvalidVersionSpecificationException e) {
                throw new ArtifactMetadataRetrievalException("Invalid version creating artifacts", e, artifact);
            }
        }

        private String getKey(Artifact artifact) {
            return artifact.getDependencyConflictId();
        }

   *     future's result type {@code C}, see {@link DeferredCloser#eventuallyClose(Object,
   *     Executor)}.
   * @param closingExecutor the future's result will be closed on this executor
   * @deprecated Creating {@link Future}s of closeable types is dangerous in general because the
   *     underlying value may never be closed if the {@link Future} is canceled after its operation