/guava/guava/src/com/google/common/collect/AbstractNavigableMap.java
return tailMap( key, true) .lastEntry( ) ;
return tailMap ( key, true ) .firstEntry ( ) ;
public Entry<K, V> floorEntry(@ParametricNullness K key) { return headMap(key, true).lastEntry(); } @Override @CheckForNull public Entry<K, V> ceilingEntry(@ParametricNullness K key) { <extra_id_0> } @Override @CheckForNull public Entry<K, V> higherEntry(@ParametricNullness K key) { return tailMap(key, false).firstEntry(); }