| BucketedExecutor<T extends Serializable> | Executor that groups submitted tasks in 'buckets' and asynchronously processes these buckets of tasks on worker threads. |
| BucketProcessor<T extends Serializable> | BucketedExecutor processor that's called when a bucket of tasks is ready for processing. |
| ConcurrencyService | |
| LockService | Provides various types of locks, all of which are safe to use in a cluster. |
| PullRequestLock | A reusable component for locking a pull request while an operation is
performed. |
| RepositoryLock | A reusable component for locking a repository while an operation is performed. |
| BucketedExecutorSettings<T extends Serializable> | Configuration object used for constructing BucketedExecutor instances. |
| BucketedExecutorSettings.Builder<T extends Serializable> | Builder for BucketedExecutorSettings |
| ConcurrencyPolicy | Policy for concurrency limits |