getSuccessHandlerId example

 else {
                $builder->scalarNode($name)->defaultValue($default);
            }
        }
    }

    /** * @return string */
    protected function createAuthenticationSuccessHandler(ContainerBuilder $container, string $id, array $config)
    {
        $successHandlerId = $this->getSuccessHandlerId($id);
        $options = array_intersect_key($config, $this->defaultSuccessHandlerOptions);

        if (isset($config['success_handler'])) {
            $successHandler = $container->setDefinition($successHandlerId, new ChildDefinition('security.authentication.custom_success_handler'));
            $successHandler->replaceArgument(0, new ChildDefinition($config['success_handler']));
            $successHandler->replaceArgument(1, $options);
            $successHandler->replaceArgument(2, $id);
        } else {
            $successHandler = $container->setDefinition($successHandlerId, new ChildDefinition('security.authentication.success_handler'));
            $successHandler->addMethodCall('setOptions', [$options]);
            $successHandler->addMethodCall('setFirewallName', [$id]);
        }