code: public Iterator getCurrentServiceSelectors(Class serviceClass) {
  
          if (_serviceProviders.containsKey(serviceClass)) {
              ServiceProvider sp = _serviceProviders.get(serviceClass);
              if (!sp.isDelegated() && !sp.isRevoked()) {
                  return sp.getBCServiceProvider().getCurrentServiceSelectors((BeanContextServices)getPeer(), serviceClass);
              }
          }
          return null;
      }
docs: Gets the list of service dependent service parameters
  (Service Selectors) for the specified service, by
  calling getCurrentServiceSelectors() on the
  underlying BeanContextServiceProvider.
  
  @param serviceClass the specified service
  @return the currently available service selectors
  for the named serviceClass