Bug 315281 update copyrights for 3.6
bundles/org.eclipse.core.databinding.property/src/org/eclipse/core/internal/databinding/property/map/SimplePropertyObservableMap.java
checkForComodification();
			last = (Map.Entry) iterator.next();
			return last;
		}
		public void remove() {
			getterCalled();
			checkForComodification();
			MapDiff diff = Diffs.createMapDiffSingleRemove(last.getKey(), last
					.getValue());
			updateMap(map, diff);
			iterator.remove(); 
			last = null;
			expectedModCount = modCount;
		}
		private void checkForComodification() {
			if (expectedModCount != modCount)
				throw new ConcurrentModificationException();
		}
	}
	public Set keySet() {
		getterCalled();
		
		
		return super.keySet();
	}
	public boolean containsKey(Object key) {
		getterCalled();
		return getMap().containsKey(key);
	}
	public Object get(Object key) {