| Annotation Type | Description | 
|---|---|
| DeveloperApi | A  DeveloperApiis the developer-facing API defined in Gravitino. | 
| Evolving | APIs that are still evolving towards becoming stable APIs, and can change from one feature
 release to another (0.5.0 to 0.6.0). | 
| Stable | APIs that can evolve while retaining compatibility for feature releases (0.5.0 to 0.6.0). | 
| Unstable | Unstable APIs, with no guarantee on stability and compatibility across any releases. |