src/main/java/org/apache/commons/collections4/bidimap/AbstractDualBidiMap.java [77:100]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        @Override
        public K getKey() {
            if (last == null) {
                throw new IllegalStateException(
                        "Iterator getKey() can only be called after next() and before remove()");
            }
            return last.getKey();
        }

        @Override
        public V getValue() {
            if (last == null) {
                throw new IllegalStateException(
                        "Iterator getValue() can only be called after next() and before remove()");
            }
            return last.getValue();
        }

        @Override
        public boolean hasNext() {
            return iterator.hasNext();
        }

        @Override
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



src/main/java/org/apache/commons/collections4/bidimap/DualTreeBidiMap.java [88:111]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        @Override
        public K getKey() {
            if (last == null) {
                throw new IllegalStateException(
                        "Iterator getKey() can only be called after next() and before remove()");
            }
            return last.getKey();
        }

        @Override
        public V getValue() {
            if (last == null) {
                throw new IllegalStateException(
                        "Iterator getValue() can only be called after next() and before remove()");
            }
            return last.getValue();
        }

        @Override
        public boolean hasNext() {
            return iterator.hasNext();
        }

        @Override
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -