Added in API level 24
  
  
  
  
CompletableFuture.AsynchronousCompletionTask
  public
  static
  
  
  interface
  CompletableFuture.AsynchronousCompletionTask
  
  
  
| java.util.concurrent.CompletableFuture.AsynchronousCompletionTask | 
A marker interface identifying asynchronous tasks produced by
 async methods. This may be useful for monitoring,
 debugging, and tracking asynchronous activities.