@ResponseStatus(HttpStatus.OK)
	@PostMapping("/apps/{appName}")
	public void register(@PathVariable String appName, @RequestBody InstanceInfo instanceInfo) {
		isTrue(instanceInfo.getPort() != DEFAULT_PORT && instanceInfo.getPort() != 0, "Port not received from client");
		isTrue(instanceInfo.getSecurePort() != DEFAULT_SECURE_PORT && instanceInfo.getSecurePort() != 0,
				"Secure Port not received from client");
		// Nothing to do
	}
Simulates Eureka Server own's serialization.
@return converter
spring-cloud-netflix-eureka-client/src/test/java/org/springframework/cloud/netflix/eureka/http/EurekaServerMockApplication.java