public function removeUser( core_kernel_classes_Resource $user)
    {
        $returnValue = (bool) false;

        if(!is_null($user)) {
            $this->checkCurrentUserAccess($this->getUserRoles($user));
			$returnValue = $this->generisUserService->removeUser($user);
            $this->getEventManager()->trigger(new UserRemovedEvent($user->getUri()));
		}

        return (bool) $returnValue;
    }