HealthCheckClient (Alluxio Core - Common Utilities 295 API)

```
public interface HealthCheckClient
```
Client for checking service availability.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  boolean isServing()

- Method Detail
  - isServing
```
boolean isServing()
```
    Returns:
    
    true if the service is serving requests, otherwise false. The implementation should perform retries if appropriate