_roleRegistry = new \Magento\Framework\Acl\Role\Registry(); } /** * Add parent to role object * * @param \Zend_Acl_Role $role * @param \Zend_Acl_Role $parent * @return \Magento\Framework\Acl */ public function addRoleParent($role, $parent) { $this->_getRoleRegistry()->addParent($role, $parent); return $this; } }