src/main/java/com/googlecode/objectify/impl/LoadEngine.java
public Result<Map<com.google.cloud.datastore.Key, Entity>> fetch(Set<com.google.cloud.datastore.Key> keys) {
		log.debug("Fetching {} keys: {}", keys.size(), keys);

		final Future<Map<com.google.cloud.datastore.Key, Entity>> fut = datastore.get(keys, readOptions.toArray(new ReadOption[readOptions.size()]));
		return ResultAdapter.create(fut);
	}
public Result<Map<com.google.cloud.datastore.Key, Entity>> fetch(Set<com.google.cloud.datastore.Key> keys) {
		log.debug("Fetching {} keys: {}", keys.size(), keys);

		final Future<Map<com.google.cloud.datastore.Key, Entity>> fut = datastore.get(keys, readOptions.toArray(new ReadOption[readOptions.size()]));
		return ResultAdapter.create(fut);
	}
Fetch the keys from the async datastore using the current transaction context