getAccessDecisionStrategies example

->enumNode('session_fixation_strategy')
                    ->values([SessionAuthenticationStrategy::NONE, SessionAuthenticationStrategy::MIGRATE, SessionAuthenticationStrategy::INVALIDATE])
                    ->defaultValue(SessionAuthenticationStrategy::MIGRATE)
                ->end()
                ->booleanNode('hide_user_not_found')->defaultTrue()->end()
                ->booleanNode('erase_credentials')->defaultTrue()->end()
                ->booleanNode('enable_authenticator_manager')->setDeprecated('symfony/security-bundle', '6.2', 'The "%node%" option at "%path%" is deprecated.')->defaultTrue()->end()
                ->arrayNode('access_decision_manager')
                    ->addDefaultsIfNotSet()
                    ->children()
                        ->enumNode('strategy')
                            ->values($this->getAccessDecisionStrategies())
                        ->end()
                        ->scalarNode('service')->end()
                        ->scalarNode('strategy_service')->end()
                        ->booleanNode('allow_if_all_abstain')->defaultFalse()->end()
                        ->booleanNode('allow_if_equal_granted_denied')->defaultTrue()->end()
                    ->end()
                    ->validate()
                        ->ifTrue(fn ($v) => isset($v['strategy'], $v['service']))
                        ->thenInvalid('"strategy" and "service" cannot be used together.')
                    ->end()
                    ->validate()