src/main/java/com/googlecode/objectify/impl/Session.java
public void addAll(final Session other) {
		if (log.isTraceEnabled())
			log.trace("Adding all values to session: {}", other.map.keySet());

		map.putAll(other.map);
	}
public void addAll(final Session other) {
		if (log.isTraceEnabled())
			log.trace("Adding all values to session: {}", other.map.keySet());

		map.putAll(other.map);
	}
Add all entries in the other session to this one