@ParametricNullness private final C columnKey;
    @ParametricNullness private final V value;

    ImmutableCell(
        @ParametricNullness R rowKey,
        @ParametricNullness C columnKey,
        @ParametricNullness V value) {
      this.rowKey = rowKey;
      this.columnKey = columnKey;
      this.value = value;
    }

    @Override
    @ParametricNullness
    public R getRowKey() {

    Set<K> ks = keySet;
    return (ks != null) ? ks : (keySet = new KeySet());
  }

  @LazyInit @CheckForNull transient Collection<V> values;

  @Override
  public Collection<V> values() {
    Collection<V> vs = values;
    return (vs != null) ? vs : (values = new Values());
  }

  @LazyInit @CheckForNull transient Set<Entry<K, V>> entrySet;

  @Override
  public Set<Entry<K, V>> entrySet() {

      K key = (K) stream.readObject();
      Collection<V> values = multimap.get(key);
      int valueCount = stream.readInt();
      for (int j = 0; j < valueCount; j++) {
        @SuppressWarnings("unchecked") // reading data stored by writeMultimap
        V value = (V) stream.readObject();
        values.add(value);
      }
    }
  }

    }

    @SafeVarargs
    public static <T> StreamOf<T> stream(final T... values) {
        return new StreamOf<>(() -> values != null ? Arrays.stream(values) : Collections.<T> emptyList().stream());
    }

    public static StreamOf<String> split(final String value, final String regex) {
        return stream(value == null ? null : value.split(regex));
    }

				}
			}
		}
	}

	switch value := updatingValue.Interface().(type) {
	case map[string]interface{}:
		set = make([]clause.Assignment, 0, len(value))

		keys := make([]string, 0, len(value))
		for k := range value {
			keys = append(keys, k)
		}
		sort.Strings(keys)

		for _, k := range keys {
			kv := value[k]
			if _, ok := kv.(*gorm.DB); ok {

existingThing.convention("some-value")
```

It's not acceptable to treat an unset Provider as if the convention is requested when the convention could be set elsewhere:

```groovy
public interface NewThing {
    Property<String> getSomeProperty()
}

// Unacceptable
String value
if (!getSomeProperty().isPresent()) {
   value = "convention"
} else {
   value = getSomeProperty().get()
}

  }

  private static String normalizeParameterValue(String attribute, String value) {
    checkNotNull(value); // for GWT
    checkArgument(ascii().matchesAllOf(value), "parameter values must be ASCII: %s", value);
    return CHARSET_ATTRIBUTE.equals(attribute) ? Ascii.toLowerCase(value) : value;
  }

  /**
   * Parses a media type from its string representation.
   *

        final String field = "content";
        final String value = "test";

        assertTrue(indexingHelper.updateDocument(client, id, field, value));
        assertEquals("fess.update", resultMap.get("index"));
        assertEquals(id, resultMap.get("id"));
        assertEquals(field, resultMap.get("field"));
        assertEquals(value, resultMap.get("value"));
    }

    public void test_deleteDocument() {

  /**
   * Stores a collection of values with the same key, replacing any existing values for that key.
   *
   * <p>Because a {@code SortedSetMultimap} has unique sorted values for a given key, this method
   * returns a {@link SortedSet}, instead of the {@link java.util.Collection} specified in the
   * {@link Multimap} interface.
   *
   * <p>Any duplicates in {@code values} will be stored in the multimap once.
   */

}

// Value implements driver.Valuer interface
func (s serializer) Value() (driver.Value, error) {
	return s.SerializeValuer.Value(s.Context, s.Field, s.Destination, s.fieldValue)
}

// SerializerInterface serializer interface
type SerializerInterface interface {
	Scan(ctx context.Context, field *Field, dst reflect.Value, dbValue interface{}) error
	SerializerValuerInterface
}

// SerializerValuerInterface serializer valuer interface