void (String[] args) { Collection unmodifiableCollection = Collections.unmodifiableCollecti<caret>on(((Collections.emptyList()))); List unmodifiableList = Collections.unmodifiableList(((Collections.emptyList()))); Set unmodifiableSet = Collections.unmodifiableSet(((Collections.emptySet()))); Map unmodifiableMap = Collections.unmodifiableMap(((Collections.emptyMap()))); SortedSet unmodifiableSortedSet = Collections.unmodifiableSortedSet(((Collections.emptySet()))); SortedMap unmodifiableSortedMap = Collections.unmodifiableSortedMap(((Collections.emptyMap()))); NavigableSet unmodifiableNavigableSet = Collections.unmodifiableNavigableSet(((Collections.emptySet()))); NavigableMap unmodifiableNavigableMap = Collections.unmodifiableNavigableMap(((Collections.emptyMap()))); }