/guava/android/guava/src/com/google/common/collect/AbstractNavigableMap.java
return descendingMap( ).lastEntry( ) ;
return descendingMap ( ) .navigableKeySet ( ) ;
@Override public Set<K> keySet() { return navigableKeySet(); } @Override public NavigableSet<K> descendingKeySet() { <extra_id_0> } @Override public NavigableMap<K, V> descendingMap() { return new DescendingMap(); } private final class DescendingMap extends Maps.DescendingMap<K, V> {