Atlassian Stash API
| 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. |
| VersionTracker<K extends Serializable> | Tracks a version against a key. |