Utility classes commonly useful in concurrent programming.
 
 
- 
StructuredTaskScope.ShutdownOnFailure.join() 
Wait for all subtasks started in this task scope to complete or for a subtask
 to 
failPREVIEW.
 
 
Wait for all subtasks started in this task scope to complete or for a subtask
 to 
failPREVIEW, up to the given deadline.