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

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