protected Map<K, V> getMap() {
		if (softRef == null) {
			return null;
		}
		return softRef.get();
	}
Note: this map is always called from either a synchronized block or code holding the
"lock".
@return the underlying map of key,value pairs or null if it is currently not loaded.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/LazyLoadingCachingMap.java