,---------------.                                                                                                                      
                                                 |ServiceInstance|                                                                                                                      
                                                 |---------------|                                                                                                                      
                                                 `---------------'                                                                                                                      
                                                                                                                                                                                        
                                                                                                                                                                                        
                                                         ,------------------------------------------------.      ,------------------------.                                             
                          ,---------------------.        |DiscoveryClient                                 |      |DiscoveryHealthIndicator|   ,----------------------------------------.
                          |SimpleServiceInstance|        |------------------------------------------------|      |------------------------|   |DiscoveryClientHealthIndicatorProperties|
                          |---------------------|        |+ description():String                          |      |+ String getName();     |   |----------------------------------------|
                          `---------------------'        |+ getInstances(serviceId): List<ServiceInstance>|      |+ Health health();      |   `----------------------------------------'
                                                         |+ getServices(): List<String>                   |      `------------------------'                                             
                                                         `------------------------------------------------'                                                                             
                                                                                                                                                                                        
                                                               ,----------------------------------------------.                                                                         
,-----------------------------------------------------.        |CompositeDiscoveryClient                      |   ,------------------------------.                                      
|SimpleDiscoveryProperties                            |        |----------------------------------------------|   |DiscoveryClientHealthIndicator|                                      
|-----------------------------------------------------|        |- List<DiscoveryClient> discoveryClient;      |   |------------------------------|                                      
|- Map<String, List<SimpleServiceInstance>> instances;|        |- List<DiscoveryClient> getDiscoveryClients();|   `------------------------------'                                      
`-----------------------------------------------------'        `----------------------------------------------'                                                                         
                                                                                                                                                                                        
                                                                                                                                                                                        
               ,------------------------------------------------------.                                                                                                                 
               |SimpleDiscoveryClient                                 |                                                                                                                 
               |------------------------------------------------------|                                                                                                                 
               |- SimpleDiscoveryProperties simpleDiscoveryProperties;|                                                                                                                 
               `------------------------------------------------------'