Bug 5099 TypeCache duplicated
TypeCache exists in two packages. Both used!
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/dialogs/TypeCache.java
if (delta.getElement().getElementType() == IJavaElement.COMPILATION_UNIT)
				return false;
					
			
			if (delta.getFlags() != IJavaElementDelta.F_CHILDREN)
				return true;
	
			
			if (delta.getElement().getElementType() == IJavaElement.TYPE)
				return false;
	
			if ((delta.getAddedChildren() != null)
				&& (delta.getAddedChildren().length != 0))
				return true;
	
			return false;
		}
	
		/*
		 * returns false iff list is flushed and we can stop processing
		 */
		private boolean processDelta(IJavaElementDelta delta) {
			if (shouldStopProcessing(delta))
				return true;
	
			if (mustFlush(delta)) {
				flushCache();
				return false;