/guava/android/guava/src/com/google/common/collect/ForwardingNavigableMap.java
return Iterables.<@Nullable Entry<K, V>>getFirst ( descendingMap ( ) .entrySet ( ) , null ) ;
@CheckForNull public Entry<K, V> lastEntry() { return delegate().lastEntry(); } @CheckForNull protected Entry<K, V> standardLastEntry() { <extra_id_0> } protected K standardLastKey() { Entry<K, V> entry = lastEntry(); if (entry == null) { throw new NoSuchElementException(); } else {