@Override
	public void enterScope() {
		scopeStackCache.get().push(new HashMap<Key<?>, Object>());
		log.debug("Entered scope.");
	}
@ Override public void enterScope ( ) { scopeStackCache . get ( ) . push ( new HashMap < Key < ? > , Object > ( ) ) ; log . debug ( "Entered scope." ) ; }
Enters a new scope context for the current thread by pushing a {@link Map} for this context
onto the internal stack.