src/main/java/com/googlecode/objectify/impl/Round.java
private Result<Map<com.google.cloud.datastore.Key, Entity>> fetchPending() {
		// We don't need to fetch anything that has been stuffed

		final Map<com.google.cloud.datastore.Key, Entity> combined = new HashMap<>();
		Set<com.google.cloud.datastore.Key> fetch = new HashSet<>();

		for (com.google.cloud.datastore.Key key: pending) {
			Entity ent = stuffed.get(key);
			if (ent == null)
				fetch.add(key);
			else
				combined.put(key, ent);
		}

		if (fetch.isEmpty()) {
			return new ResultNow<>(combined);
		} else {
			final Result<Map<com.google.cloud.datastore.Key, Entity>> fetched = loadEngine.fetch(fetch);

			return () -> {
				combined.putAll(fetched.now());
				return combined;
			};
		}
	}
private Result<Map<com.google.cloud.datastore.Key, Entity>> fetchPending() {
		// We don't need to fetch anything that has been stuffed

		final Map<com.google.cloud.datastore.Key, Entity> combined = new HashMap<>();
		Set<com.google.cloud.datastore.Key> fetch = new HashSet<>();

		for (com.google.cloud.datastore.Key key: pending) {
			Entity ent = stuffed.get(key);
			if (ent == null)
				fetch.add(key);
			else
				combined.put(key, ent);
		}

		if (fetch.isEmpty()) {
			return new ResultNow<>(combined);
		} else {
			final Result<Map<com.google.cloud.datastore.Key, Entity>> fetched = loadEngine.fetch(fetch);

			return () -> {
				combined.putAll(fetched.now());
				return combined;
			};
		}
	}
Possibly pulls some values from the stuffed collection