@classmethod
def safeBrowsingManager(cls):
    """
        Class method to get a reference to the safe browsing interface.
        
        @return reference to the safe browsing manager
        @rtype SafeBrowsingManager
        """
    if cls._safeBrowsingManager is None:
        from .SafeBrowsing.SafeBrowsingManager import SafeBrowsingManager
        cls._safeBrowsingManager = SafeBrowsingManager()
    return cls._safeBrowsingManager
