createHttpClientRetrySection example

->variableNode('md5')->end()
                                    ->end()
                                ->end()
                                ->scalarNode('crypto_method')
                                    ->info('The minimum version of TLS to accept; must be one of STREAM_CRYPTO_METHOD_TLSv*_CLIENT constants.')
                                ->end()
                                ->arrayNode('extra')
                                    ->info('Extra options for specific HTTP client')
                                    ->normalizeKeys(false)
                                    ->variablePrototype()->end()
                                ->end()
                                ->append($this->createHttpClientRetrySection())
                            ->end()
                        ->end()
                        ->scalarNode('mock_response_factory')
                            ->info('The id of the service that should generate mock responses. It should be either an invokable or an iterable.')
                        ->end()
                        ->arrayNode('scoped_clients')
                            ->useAttributeAsKey('name')
                            ->normalizeKeys(false)
                            ->arrayPrototype()
                                ->fixXmlConfig('header')
                                ->beforeNormalization()