code: private Set<ISharedObjectSecurity> getSecurityHandlers() {
          ISharedObjectSecurityService security = (ISharedObjectSecurityService) ScopeUtils.getScopeService(getParent(), ISharedObjectSecurityService.class);
          if (security == null) {
              return null;
          }
          return security.getSharedObjectSecurity();
      }
docs: Return security handlers for this shared object or
  
  <pre>
  null
  </pre>
  
  if none are found.
  
  @return set of security handlers