boon/src/main/java/org/boon/Maps.java
public static <K, V> boolean valueIn( V value, Map<K, V> map ) {
        return map.containsValue( value );
    }
public static <K, V> boolean valueIn( V value, Map<K, V> map ) {
        return map.containsValue( value );
    }
public static < K , V > boolean valueIn ( V value , Map < K , V > map ) { return map . containsValue ( value ) ; }
End universal methods.
End universal methods .