code: public static IWebAppSecurityCollaborator getCurrentSecurityCollaborator()
    {
        IWebAppSecurityCollaborator currentCollab = null;
        ICollaboratorHelper instance = getCurrentInstance();
        if (instance != null)
            currentCollab = instance.getSecurityCollaborator();
        return currentCollab;
    }
docs: /*
  Returns a security collaborator for the currently active web application - can be called
  while a request is being processed for the application.