@Bean
		@ConditionalOnMissingBean
		EurekaClientHttpRequestFactorySupplier defaultEurekaClientHttpRequestFactorySupplier(
				RestTemplateTimeoutProperties restTemplateTimeoutProperties,
				Set<EurekaClientHttpRequestFactorySupplier.RequestConfigCustomizer> requestConfigCustomizers) {
			return new DefaultEurekaClientHttpRequestFactorySupplier(restTemplateTimeoutProperties,
					requestConfigCustomizers);
		}
@deprecated {@link RestTemplate}-based implementation to be removed in favour of
{@link RestClient}-based implementation.
spring-cloud-netflix-eureka-client/src/main/java/org/springframework/cloud/netflix/eureka/config/DiscoveryClientOptionalArgsConfiguration.java