public ContactResources contactResources() {
        if (contacts.get() == null) {
            contacts.compareAndSet(null, new ContactResourcesImpl(this));
        }
        return contacts.get();
    }
public ContactResources contactResources ( ) { if ( contacts . get ( ) == null ) { contacts . compareAndSet ( null , new ContactResourcesImpl ( this ) ) ; } return contacts . get ( ) ; }
Returns the ContactResources instance that provides access to contact resources.

@return the contact resources