protected void initMaps() {
mergePolicyApplierMap = new Hashtable<MergePolicy, MergePolicyApplier>();
mergePolicyApplierMap.put(PersistenceDelegate.MergePolicy.RESET, new ResetMergePolicy());
mergePolicyApplierMap.put(PersistenceDelegate.MergePolicy.UNION, new UnionMergePolicy());
elementParserMap = new Hashtable<String, ElementParser>();
elementParserMap.put("mydoggy", new MyDoggyElementParser());
elementParserMap.put("toolWindowManagerDescriptor", new ToolWindowManagerDescriptorElementParser());
elementParserMap.put("aggregateMode", new AggregateModeElementParser());