src/main/java/com/workplacesystems/utilsj/collections/decorators/SynchronizedFilterableSet.java
public static <E> FilterableSet<E> decorate(FilterableSet<E> set) {
        return new SynchronizedFilterableSet<E>(set);
    }
public static <E> FilterableSet<E> decorate(FilterableSet<E> set) {
        return new SynchronizedFilterableSet<E>(set);
    }
Factory method to create a synchronized map.

@param map  the map to decorate, must not be null
@throws IllegalArgumentException if map is null