original_string: public function addRole($role, $parents = null)
      {
          $this->getAcl()->addRole($role, $parents);
          return $this;
      }
code: public function addRole($role, $parents = null)
      {
          $this->getAcl()->addRole($role, $parents);
          return $this;
      }
code_tokens: public function addRole ( $ role , $ parents = null ) { $ this -> getAcl ( ) -> addRole ( $ role , $ parents ) ; return $ this ; }
docstring: Add roles from storage
  
  @param string|RoleInterface $role
  @param string|array|RoleInterface $parents
  @return $this
docstring_tokens: Add roles from storage