Clock (Brave 5.8.0 API)

```
public interface Clock
```
Epoch microseconds used for Span.timestamp() and Annotation.timestamp().
This should use the most precise value possible. For example, gettimeofday or multiplying System.currentTimeMillis() by 1000.
See Instrumenting a service for more.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  long currentTimeMicroseconds()

- Method Detail
  - currentTimeMicroseconds
```
long currentTimeMicroseconds()
```