Sleeper

```
public interface Sleeper
```
Abstraction around Thread.sleep(long) to permit better testability.

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  static Sleeper SYSTEM_SLEEPER
- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void sleep(java.time.Duration duration)
  Sleeps for the specified duration of time.

- Field Detail
  - SYSTEM_SLEEPER
```
static final Sleeper SYSTEM_SLEEPER
```
- Method Detail
  - sleep
```
void sleep(java.time.Duration duration)
    throws java.lang.InterruptedException
```
    Sleeps for the specified duration of time.
    
    Parameters:
    
    duration - How long to sleep.
    
    Throws:
    
    java.lang.InterruptedException - If the thread is interrupted while sleeping.