boon/src/main/java/org/boon/Maps.java
@Universal
    public static <K, V> V after( NavigableMap<K, V> map, final K index ) {
        return map.get( map.higherKey( index ) );
    }
@Universal
    public static <K, V> V after( NavigableMap<K, V> map, final K index ) {
        return map.get( map.higherKey( index ) );
    }
@ Universal public static < K , V > V after ( NavigableMap < K , V > map , final K index ) { return map . get ( map . higherKey ( index ) ) ; }
Grabs the value after this key from a tree map (Navigable map).
Grabs the value after this key from a tree map ( Navigable map ) .