public function __invoke($serviceLocator)
 {
     $config = $serviceLocator->get('config');
     $this->acl = $serviceLocator->get('MultiRoleAclBase\\Service\\MultiRolesAcl');
     if (get_class($this->acl) == 'MultiRoleAclBase\\Service\\MultiRolesAcl' || is_subclass_of($this->acl, 'MultiRoleAclBase\\Service\\MultiRolesAcl')) {
         $this->acl->setAllowAccessWhenResourceUnknown(false);
     }
     $this->roleBuilder = $serviceLocator->get('MultiRoleAclBase\\Acl\\Builder\\RoleBuilder');
     $this->resourceBuilder = $serviceLocator->get('MultiRoleAclBase\\Acl\\Builder\\ResourceBuilder');
     $this->ruleBuilder = $serviceLocator->get('MultiRoleAclBase\\Acl\\Builder\\RuleBuilder');
     // Get all Roles from RoleBuilder
     $roles = $this->roleBuilder->buildRoles($this->acl, $serviceLocator);
     if (is_array($roles)) {
         foreach ($roles as $role) {
             $this->acl->addRole($role);
         }
     }
     // Get all Resources from ResourceBuilder
     $resources = $this->resourceBuilder->buildResources($this->acl, $serviceLocator);
     if (is_array($resources)) {
         foreach ($resources as $resource) {
             $this->acl->addResource($resource);
         }
     }
     // Build all the rules
     $this->ruleBuilder->buildRules($this->acl, $serviceLocator);
     return $this->acl;
 }