/guava/android/guava/src/com/google/common/collect/Synchronized.java
return nullableSynchronizedEntry( delegate( ).pollLastEntry( ) , o) ;
return nullableSynchronizedEntry ( delegate ( ) .pollLastEntry ( ) , mutex ) ;
} } @Override @CheckForNull public Map.Entry<K, V> pollLastEntry() { synchronized (mutex) { <extra_id_0> } } @Override public NavigableMap<K, V> subMap( K fromKey, boolean fromInclusive, K toKey, boolean toInclusive) { synchronized (mutex) {