/guava/guava/src/com/google/common/collect/Maps.java
return asEntryTransformer( backingSet( ).tailSet( fromKey) , function) ;
return asMap ( backingSet ( ) .tailSet ( fromKey ) , function ) ;
@Override public SortedMap<K, V> headMap(@ParametricNullness K toKey) { return asMap(backingSet().headSet(toKey), function); } @Override public SortedMap<K, V> tailMap(@ParametricNullness K fromKey) { <extra_id_0> } @Override @ParametricNullness public K firstKey() { return backingSet().first(); }