question: public void internValues ( Interner interner ) { Map newMap = mapFactory . buildMap ( ) ; for ( Object o : map . entrySet ( ) ) { Map . Entry entry = ( Map . Entry ) o ; Object key = entry . getKey ( ) ; Object value = entry . getValue ( ) ; newMap . put ( key , interner . intern ( value ) ) ; } map = newMap ; }
target:  Interns all of the keys and values in the underlying map of this FeatureLabel.