@GetMapping({ "/apps/", "/apps/delta", "/vips/{address}", "/svips/{address}" })
	public Applications getApplications(@PathVariable(required = false) String address,
			@RequestParam(required = false) String regions) {
		Applications applications = new Applications();
		applications.addApplication(new Application("app1", Collections.singletonList(INFO)));
		return applications;
	}
Simulates Eureka Server own's serialization.
@return converter
spring-cloud-netflix-eureka-client/src/test/java/org/springframework/cloud/netflix/eureka/http/EurekaServerMockApplication.java