compilerRegistry = new HashMap<String, SixModelObject>();
hllSyms = new HashMap<String, HashMap<String, SixModelObject>>();
loaded = new HashSet<String>();
contConfigs = new HashMap<String, ContainerConfigurer>();
contConfigs.put("code_pair", new CodePairContainerConfigurer());
currentThreadCtxRef = new ThreadLocal< >();
allThreads = new WeakHashMap< >();
mainThread = getCurrentThreadContext();