code: public <T> void unregisterService(Class<? super T> serviceInterface) {
  		Utils.notNull(serviceInterface, "serviceInterface must not be null");
  		ServiceValidator.validateInterface(serviceInterface, ServiceValidator.TYPE_PUBLISHED);
  		ServiceInterface svcInterface = serviceInterface.getAnnotation(ServiceInterface.class);
  		SPFServiceDescriptor svcDesc = ServiceInterface.Convert.toServiceDescriptor(svcInterface);
  		String token = getAccessToken();
  
  		try {
  			SPFError error = new SPFError();
  			getService().unregisterService(token, svcDesc, error);
  			if (!error.isOk()) {
  				handleError(error);
  			}
  		} catch (RemoteException e) {
  			catchRemoteException(e);
  		}
  	}
docs: Allows to unregister a previously registered service.
  
  @param serviceInterface