Removed redunandant util classes. OrderedHashSet->LinkedHashSet; MutableReference->Box; BidirectionalHashMap->OneToOneRelation; HashUtilities->ObjectUtil; CompletionMonitor changed packages; OrderedBidirectionalHashMap->IndexedOneToOneRelation with the appropriate parameters; Pair changed packages; SRunnable is unused, and not a good idea; StringSuspension->Thunk<String>.