/guava/guava/src/com/google/common/collect/Synchronized.java
return nullableSynchronizedEntry( delegate( ).lowerEntry( key) , value) ;
return nullableSynchronizedEntry ( delegate ( ) .floorEntry ( key ) , mutex ) ;
} } @Override @CheckForNull public Map.Entry<K, V> floorEntry(K key) { synchronized (mutex) { <extra_id_0> } } @Override @CheckForNull public K floorKey(K key) { synchronized (mutex) {