| BuiltinHookHandlerFactory | Factory for HookHandler that Bitbucket ships with. |
| HookRequestHandle | A handle on the hook request which provides the required information to make a successful callback to Stash via their hook callback socket |
| HookService | A service which handles the management of hook requests. |
| BaseScmHookModuleDescriptor<T> | Base implementation for scm hook module descriptor. |
| HookUtils | Utility methods for configuring processes, whether using Java's ProcessBuilder or Atlassian Process Utils,
to execute pre-repository and post-repository hooks. |