changedKeys abstract method
Returns a rules.Set, which lists any keys that appear in both the Map calling diff() and the Map passed to diff(), but whose values are not equal.
Implementation
RulesSet<K> changedKeys();
Returns a rules.Set, which lists any keys that appear in both the Map calling diff() and the Map passed to diff(), but whose values are not equal.
RulesSet<K> changedKeys();