src/main/java/com/googlecode/objectify/impl/SaverImpl.java
@Override
	public <E> Result<Map<Key<E>, E>> entities(final Iterable<E> entities) {
		return ofy.createWriteEngine().save(entities);
	}
@Override
	public <E> Result<Map<Key<E>, E>> entities(final Iterable<E> entities) {
		return ofy.createWriteEngine().save(entities);
	}
/* (non-Javadoc)
@see com.googlecode.objectify.cmd.Saver#entities(java.lang.Iterable)