BossBarViewer (adventure-api 4.15.0 API)

```
public interface BossBarViewer
```
Something that can view a BossBar.

Since:

4.14.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`@UnmodifiableView @NotNull java.lang.Iterable<? extends BossBar>`	`activeBossBars()`	Gets an unmodifiable view of all known currently active bossbars.

- Method Detail
  - activeBossBars
```
@NotNull
@UnmodifiableView @NotNull java.lang.Iterable<? extends BossBar> activeBossBars()
```
    Gets an unmodifiable view of all known currently active bossbars.
    
    Returns:
    
    an unmodifiable view of all known currently active bossbars
    
    Since:
    
    4.14.0